21568647282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{12497}}^1$

素因数の和:12660

約数の個数: 128

約数和(自身を含む): 55431129600

約数和(自身を除く): 33862482318

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 109, 174, 182, 203, 218, 273, 327, 377, 406, 546, 609, 654, 754, 763, 1131, 1218, 1417, 1526, 2262, 2289, 2639, 2834, 3161, 4251, 4578, 5278, 6322, 7917, 8502, 9483, 9919, 12497, 15834, 18966, 19838, 22127, 24994, 29757, 37491, 41093, 44254, 59514, 66381, 74982, 82186, 87479, 123279, 132762, 162461, 174958, 246558, 262437, 287651, 324922, 362413, 487383, 524874, 575302, 724826, 862953, 974766, 1087239, 1137227, 1362173, 1725906, 2174478, 2274454, 2536891, 2724346, 3411681, 4086519, 4711369, 5073782, 6823362, 7610673, 8173038, 9422738, 9535211, 14134107, 15221346, 17708249, 19070422, 28268214, 28605633, 32979583, 35416498, 39503017, 53124747, 57211266, 65959166, 79006034, 98938749, 106249494, 118509051, 123957743, 197877498, 237018102, 247915486, 276521119, 371873229, 513539221, 553042238, 743746458, 829563357, 1027078442, 1540617663, 1659126714, 3081235326, 3594774547, 7189549094, 10784323641, 21568647282]

約数ペア:

[(1, 21568647282), (2, 10784323641), (3, 7189549094), (6, 3594774547), (7, 3081235326), (13, 1659126714), (14, 1540617663), (21, 1027078442), (26, 829563357), (29, 743746458), (39, 553042238), (42, 513539221), (58, 371873229), (78, 276521119), (87, 247915486), (91, 237018102), (109, 197877498), (174, 123957743), (182, 118509051), (203, 106249494), (218, 98938749), (273, 79006034), (327, 65959166), (377, 57211266), (406, 53124747), (546, 39503017), (609, 35416498), (654, 32979583), (754, 28605633), (763, 28268214), (1131, 19070422), (1218, 17708249), (1417, 15221346), (1526, 14134107), (2262, 9535211), (2289, 9422738), (2639, 8173038), (2834, 7610673), (3161, 6823362), (4251, 5073782), (4578, 4711369), (5278, 4086519), (6322, 3411681), (7917, 2724346), (8502, 2536891), (9483, 2274454), (9919, 2174478), (12497, 1725906), (15834, 1362173), (18966, 1137227), (19838, 1087239), (22127, 974766), (24994, 862953), (29757, 724826), (37491, 575302), (41093, 524874), (44254, 487383), (59514, 362413), (66381, 324922), (74982, 287651), (82186, 262437), (87479, 246558), (123279, 174958), (132762, 162461)]