21000819852

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 288

約数和(自身を含む): 60288883200

約数和(自身を除く): 39288063348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 53, 57, 69, 76, 89, 92, 106, 114, 138, 159, 171, 178, 207, 212, 228, 267, 276, 283, 318, 342, 356, 414, 437, 477, 534, 566, 636, 684, 801, 828, 849, 874, 954, 1007, 1068, 1132, 1219, 1311, 1602, 1691, 1698, 1748, 1908, 2014, 2047, 2438, 2547, 2622, 3021, 3204, 3382, 3396, 3657, 3933, 4028, 4094, 4717, 4876, 5073, 5094, 5244, 5377, 6042, 6141, 6509, 6764, 7314, 7866, 8188, 9063, 9434, 10146, 10188, 10754, 10971, 12084, 12282, 13018, 14151, 14628, 14999, 15219, 15732, 16131, 18126, 18423, 18868, 19527, 20292, 21508, 21942, 23161, 24564, 25187, 26036, 28302, 29998, 30438, 32262, 36252, 36846, 38893, 39054, 42453, 43884, 44997, 46322, 48393, 50374, 56604, 58581, 59996, 60876, 64524, 69483, 73692, 75561, 77786, 78108, 84906, 89623, 89994, 92644, 96786, 100748, 108491, 116679, 117162, 123671, 134991, 138966, 151122, 155572, 169812, 179246, 179988, 193572, 208449, 216982, 226683, 233358, 234324, 247342, 268869, 269982, 277932, 284981, 302244, 325473, 344977, 350037, 358492, 371013, 416898, 433964, 453366, 466716, 478553, 494684, 537738, 539964, 569962, 579301, 650946, 689954, 700074, 742026, 806607, 833796, 854943, 906732, 957106, 976419, 1034931, 1075476, 1113039, 1139924, 1158602, 1301892, 1334911, 1379908, 1400148, 1435659, 1484052, 1613214, 1709886, 1737903, 1914212, 1952838, 2061329, 2069862, 2226078, 2317204, 2564829, 2669822, 2871318, 3104793, 3226428, 3419772, 3475806, 3905676, 4004733, 4122658, 4139724, 4306977, 4452156, 5129658, 5213709, 5339644, 5742636, 6183987, 6209586, 6554563, 6951612, 8009466, 8245316, 8613954, 10259316, 10427418, 11006719, 12014199, 12367974, 12419172, 13109126, 16018932, 17227908, 18551961, 19663689, 20854836, 22013438, 24028398, 24735948, 25363309, 26218252, 30702953, 33020157, 37103922, 39327378, 44026876, 48056796, 50726618, 58991067, 61405906, 66040314, 74207844, 76089927, 78654756, 92108859, 99060471, 101453236, 117982134, 122811812, 132080628, 152179854, 184217718, 198120942, 228269781, 235964268, 276326577, 304359708, 368435436, 396241884, 456539562, 552653154, 583356107, 913079124, 1105306308, 1166712214, 1750068321, 2333424428, 3500136642, 5250204963, 7000273284, 10500409926, 21000819852]

約数ペア:

[(1, 21000819852), (2, 10500409926), (3, 7000273284), (4, 5250204963), (6, 3500136642), (9, 2333424428), (12, 1750068321), (18, 1166712214), (19, 1105306308), (23, 913079124), (36, 583356107), (38, 552653154), (46, 456539562), (53, 396241884), (57, 368435436), (69, 304359708), (76, 276326577), (89, 235964268), (92, 228269781), (106, 198120942), (114, 184217718), (138, 152179854), (159, 132080628), (171, 122811812), (178, 117982134), (207, 101453236), (212, 99060471), (228, 92108859), (267, 78654756), (276, 76089927), (283, 74207844), (318, 66040314), (342, 61405906), (356, 58991067), (414, 50726618), (437, 48056796), (477, 44026876), (534, 39327378), (566, 37103922), (636, 33020157), (684, 30702953), (801, 26218252), (828, 25363309), (849, 24735948), (874, 24028398), (954, 22013438), (1007, 20854836), (1068, 19663689), (1132, 18551961), (1219, 17227908), (1311, 16018932), (1602, 13109126), (1691, 12419172), (1698, 12367974), (1748, 12014199), (1908, 11006719), (2014, 10427418), (2047, 10259316), (2438, 8613954), (2547, 8245316), (2622, 8009466), (3021, 6951612), (3204, 6554563), (3382, 6209586), (3396, 6183987), (3657, 5742636), (3933, 5339644), (4028, 5213709), (4094, 5129658), (4717, 4452156), (4876, 4306977), (5073, 4139724), (5094, 4122658), (5244, 4004733), (5377, 3905676), (6042, 3475806), (6141, 3419772), (6509, 3226428), (6764, 3104793), (7314, 2871318), (7866, 2669822), (8188, 2564829), (9063, 2317204), (9434, 2226078), (10146, 2069862), (10188, 2061329), (10754, 1952838), (10971, 1914212), (12084, 1737903), (12282, 1709886), (13018, 1613214), (14151, 1484052), (14628, 1435659), (14999, 1400148), (15219, 1379908), (15732, 1334911), (16131, 1301892), (18126, 1158602), (18423, 1139924), (18868, 1113039), (19527, 1075476), (20292, 1034931), (21508, 976419), (21942, 957106), (23161, 906732), (24564, 854943), (25187, 833796), (26036, 806607), (28302, 742026), (29998, 700074), (30438, 689954), (32262, 650946), (36252, 579301), (36846, 569962), (38893, 539964), (39054, 537738), (42453, 494684), (43884, 478553), (44997, 466716), (46322, 453366), (48393, 433964), (50374, 416898), (56604, 371013), (58581, 358492), (59996, 350037), (60876, 344977), (64524, 325473), (69483, 302244), (73692, 284981), (75561, 277932), (77786, 269982), (78108, 268869), (84906, 247342), (89623, 234324), (89994, 233358), (92644, 226683), (96786, 216982), (100748, 208449), (108491, 193572), (116679, 179988), (117162, 179246), (123671, 169812), (134991, 155572), (138966, 151122)]