21350784

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 71677440

約数和(自身を除く): 50326656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 47, 48, 52, 56, 64, 78, 84, 91, 94, 96, 104, 112, 128, 141, 156, 168, 169, 182, 188, 192, 208, 224, 273, 282, 312, 329, 336, 338, 364, 376, 384, 416, 448, 507, 546, 564, 611, 624, 658, 672, 676, 728, 752, 832, 896, 987, 1014, 1092, 1128, 1183, 1222, 1248, 1316, 1344, 1352, 1456, 1504, 1664, 1833, 1974, 2028, 2184, 2256, 2366, 2444, 2496, 2632, 2688, 2704, 2912, 3008, 3549, 3666, 3948, 4056, 4277, 4368, 4512, 4732, 4888, 4992, 5264, 5408, 5824, 6016, 7098, 7332, 7896, 7943, 8112, 8554, 8736, 9024, 9464, 9776, 10528, 10816, 11648, 12831, 14196, 14664, 15792, 15886, 16224, 17108, 17472, 18048, 18928, 19552, 21056, 21632, 23829, 25662, 28392, 29328, 31584, 31772, 32448, 34216, 34944, 37856, 39104, 42112, 47658, 51324, 55601, 56784, 58656, 63168, 63544, 64896, 68432, 75712, 78208, 95316, 102648, 111202, 113568, 117312, 126336, 127088, 136864, 151424, 166803, 190632, 205296, 222404, 227136, 234624, 254176, 273728, 333606, 381264, 410592, 444808, 454272, 508352, 547456, 667212, 762528, 821184, 889616, 1016704, 1334424, 1525056, 1642368, 1779232, 2668848, 3050112, 3558464, 5337696, 7116928, 10675392, 21350784]

約数ペア:

[(1, 21350784), (2, 10675392), (3, 7116928), (4, 5337696), (6, 3558464), (7, 3050112), (8, 2668848), (12, 1779232), (13, 1642368), (14, 1525056), (16, 1334424), (21, 1016704), (24, 889616), (26, 821184), (28, 762528), (32, 667212), (39, 547456), (42, 508352), (47, 454272), (48, 444808), (52, 410592), (56, 381264), (64, 333606), (78, 273728), (84, 254176), (91, 234624), (94, 227136), (96, 222404), (104, 205296), (112, 190632), (128, 166803), (141, 151424), (156, 136864), (168, 127088), (169, 126336), (182, 117312), (188, 113568), (192, 111202), (208, 102648), (224, 95316), (273, 78208), (282, 75712), (312, 68432), (329, 64896), (336, 63544), (338, 63168), (364, 58656), (376, 56784), (384, 55601), (416, 51324), (448, 47658), (507, 42112), (546, 39104), (564, 37856), (611, 34944), (624, 34216), (658, 32448), (672, 31772), (676, 31584), (728, 29328), (752, 28392), (832, 25662), (896, 23829), (987, 21632), (1014, 21056), (1092, 19552), (1128, 18928), (1183, 18048), (1222, 17472), (1248, 17108), (1316, 16224), (1344, 15886), (1352, 15792), (1456, 14664), (1504, 14196), (1664, 12831), (1833, 11648), (1974, 10816), (2028, 10528), (2184, 9776), (2256, 9464), (2366, 9024), (2444, 8736), (2496, 8554), (2632, 8112), (2688, 7943), (2704, 7896), (2912, 7332), (3008, 7098), (3549, 6016), (3666, 5824), (3948, 5408), (4056, 5264), (4277, 4992), (4368, 4888), (4512, 4732)]