21421705728

素因数分解:

$2^9\times 3^1\times {\mathrm{79}}^1\times {\mathrm{176537}}^1$

素因数の和:176637

約数の個数: 80

約数和(自身を含む): 57791479680

約数和(自身を除く): 36369773952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 256, 316, 384, 474, 512, 632, 768, 948, 1264, 1536, 1896, 2528, 3792, 5056, 7584, 10112, 15168, 20224, 30336, 40448, 60672, 121344, 176537, 353074, 529611, 706148, 1059222, 1412296, 2118444, 2824592, 4236888, 5649184, 8473776, 11298368, 13946423, 16947552, 22596736, 27892846, 33895104, 41839269, 45193472, 55785692, 67790208, 83678538, 90386944, 111571384, 135580416, 167357076, 223142768, 271160832, 334714152, 446285536, 669428304, 892571072, 1338856608, 1785142144, 2677713216, 3570284288, 5355426432, 7140568576, 10710852864, 21421705728]

約数ペア:

[(1, 21421705728), (2, 10710852864), (3, 7140568576), (4, 5355426432), (6, 3570284288), (8, 2677713216), (12, 1785142144), (16, 1338856608), (24, 892571072), (32, 669428304), (48, 446285536), (64, 334714152), (79, 271160832), (96, 223142768), (128, 167357076), (158, 135580416), (192, 111571384), (237, 90386944), (256, 83678538), (316, 67790208), (384, 55785692), (474, 45193472), (512, 41839269), (632, 33895104), (768, 27892846), (948, 22596736), (1264, 16947552), (1536, 13946423), (1896, 11298368), (2528, 8473776), (3792, 5649184), (5056, 4236888), (7584, 2824592), (10112, 2118444), (15168, 1412296), (20224, 1059222), (30336, 706148), (40448, 529611), (60672, 353074), (121344, 176537)]