21351792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 49357968

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 53, 56, 66, 77, 84, 88, 106, 109, 112, 132, 154, 159, 168, 176, 212, 218, 231, 264, 308, 318, 327, 336, 371, 424, 436, 462, 528, 583, 616, 636, 654, 742, 763, 848, 872, 924, 1113, 1166, 1199, 1232, 1272, 1308, 1484, 1526, 1744, 1749, 1848, 2226, 2289, 2332, 2398, 2544, 2616, 2968, 3052, 3498, 3597, 3696, 4081, 4452, 4578, 4664, 4796, 5232, 5777, 5936, 6104, 6996, 7194, 8162, 8393, 8904, 9156, 9328, 9592, 11554, 12208, 12243, 13992, 14388, 16324, 16786, 17331, 17808, 18312, 19184, 23108, 24486, 25179, 27984, 28776, 32648, 33572, 34662, 36624, 40439, 46216, 48972, 50358, 57552, 63547, 65296, 67144, 69324, 80878, 92432, 97944, 100716, 121317, 127094, 134288, 138648, 161756, 190641, 195888, 201432, 242634, 254188, 277296, 323512, 381282, 402864, 444829, 485268, 508376, 647024, 762564, 889658, 970536, 1016752, 1334487, 1525128, 1779316, 1941072, 2668974, 3050256, 3558632, 5337948, 7117264, 10675896, 21351792]

約数ペア:

[(1, 21351792), (2, 10675896), (3, 7117264), (4, 5337948), (6, 3558632), (7, 3050256), (8, 2668974), (11, 1941072), (12, 1779316), (14, 1525128), (16, 1334487), (21, 1016752), (22, 970536), (24, 889658), (28, 762564), (33, 647024), (42, 508376), (44, 485268), (48, 444829), (53, 402864), (56, 381282), (66, 323512), (77, 277296), (84, 254188), (88, 242634), (106, 201432), (109, 195888), (112, 190641), (132, 161756), (154, 138648), (159, 134288), (168, 127094), (176, 121317), (212, 100716), (218, 97944), (231, 92432), (264, 80878), (308, 69324), (318, 67144), (327, 65296), (336, 63547), (371, 57552), (424, 50358), (436, 48972), (462, 46216), (528, 40439), (583, 36624), (616, 34662), (636, 33572), (654, 32648), (742, 28776), (763, 27984), (848, 25179), (872, 24486), (924, 23108), (1113, 19184), (1166, 18312), (1199, 17808), (1232, 17331), (1272, 16786), (1308, 16324), (1484, 14388), (1526, 13992), (1744, 12243), (1749, 12208), (1848, 11554), (2226, 9592), (2289, 9328), (2332, 9156), (2398, 8904), (2544, 8393), (2616, 8162), (2968, 7194), (3052, 6996), (3498, 6104), (3597, 5936), (3696, 5777), (4081, 5232), (4452, 4796), (4578, 4664)]