21806815056

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{146221}}^1$

素因数の和:146484

約数の個数: 80

約数和(自身を含む): 60921934080

約数和(自身を除く): 39115119024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 239, 312, 478, 624, 717, 956, 1434, 1912, 2868, 3107, 3824, 5736, 6214, 9321, 11472, 12428, 18642, 24856, 37284, 49712, 74568, 146221, 149136, 292442, 438663, 584884, 877326, 1169768, 1754652, 1900873, 2339536, 3509304, 3801746, 5702619, 7018608, 7603492, 11405238, 15206984, 22810476, 30413968, 34946819, 45620952, 69893638, 91241904, 104840457, 139787276, 209680914, 279574552, 419361828, 454308647, 559149104, 838723656, 908617294, 1362925941, 1677447312, 1817234588, 2725851882, 3634469176, 5451703764, 7268938352, 10903407528, 21806815056]

約数ペア:

[(1, 21806815056), (2, 10903407528), (3, 7268938352), (4, 5451703764), (6, 3634469176), (8, 2725851882), (12, 1817234588), (13, 1677447312), (16, 1362925941), (24, 908617294), (26, 838723656), (39, 559149104), (48, 454308647), (52, 419361828), (78, 279574552), (104, 209680914), (156, 139787276), (208, 104840457), (239, 91241904), (312, 69893638), (478, 45620952), (624, 34946819), (717, 30413968), (956, 22810476), (1434, 15206984), (1912, 11405238), (2868, 7603492), (3107, 7018608), (3824, 5702619), (5736, 3801746), (6214, 3509304), (9321, 2339536), (11472, 1900873), (12428, 1754652), (18642, 1169768), (24856, 877326), (37284, 584884), (49712, 438663), (74568, 292442), (146221, 149136)]