21611476

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 16931924

約数列:

[1, 2, 4, 113, 137, 226, 274, 349, 452, 548, 698, 1396, 15481, 30962, 39437, 47813, 61924, 78874, 95626, 157748, 191252, 5402869, 10805738, 21611476]

約数ペア:

[(1, 21611476), (2, 10805738), (4, 5402869), (113, 191252), (137, 157748), (226, 95626), (274, 78874), (349, 61924), (452, 47813), (548, 39437), (698, 30962), (1396, 15481)]