21670652480

素因数分解:

$2^6\times 5^1\times {\mathrm{3361}}^1\times {\mathrm{20149}}^1$

素因数の和:23527

約数の個数: 56

約数和(自身を含む): 51621156600

約数和(自身を除く): 29950504120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3361, 6722, 13444, 16805, 20149, 26888, 33610, 40298, 53776, 67220, 80596, 100745, 107552, 134440, 161192, 201490, 215104, 268880, 322384, 402980, 537760, 644768, 805960, 1075520, 1289536, 1611920, 3223840, 6447680, 67720789, 135441578, 270883156, 338603945, 541766312, 677207890, 1083532624, 1354415780, 2167065248, 2708831560, 4334130496, 5417663120, 10835326240, 21670652480]

約数ペア:

[(1, 21670652480), (2, 10835326240), (4, 5417663120), (5, 4334130496), (8, 2708831560), (10, 2167065248), (16, 1354415780), (20, 1083532624), (32, 677207890), (40, 541766312), (64, 338603945), (80, 270883156), (160, 135441578), (320, 67720789), (3361, 6447680), (6722, 3223840), (13444, 1611920), (16805, 1289536), (20149, 1075520), (26888, 805960), (33610, 644768), (40298, 537760), (53776, 402980), (67220, 322384), (80596, 268880), (100745, 215104), (107552, 201490), (134440, 161192)]