21206032

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 42704856

約数和(自身を除く): 21498824

約数列:

[1, 2, 4, 8, 16, 37, 74, 113, 148, 226, 296, 317, 452, 592, 634, 904, 1268, 1808, 2536, 4181, 5072, 8362, 11729, 16724, 23458, 33448, 35821, 46916, 66896, 71642, 93832, 143284, 187664, 286568, 573136, 1325377, 2650754, 5301508, 10603016, 21206032]

約数ペア:

[(1, 21206032), (2, 10603016), (4, 5301508), (8, 2650754), (16, 1325377), (37, 573136), (74, 286568), (113, 187664), (148, 143284), (226, 93832), (296, 71642), (317, 66896), (452, 46916), (592, 35821), (634, 33448), (904, 23458), (1268, 16724), (1808, 11729), (2536, 8362), (4181, 5072)]