21222064

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22481}}^1$

素因数の和:22548

約数の個数: 20

約数和(自身を含む): 41816520

約数和(自身を除く): 20594456

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22481, 44962, 89924, 179848, 359696, 1326379, 2652758, 5305516, 10611032, 21222064]

約数ペア:

[(1, 21222064), (2, 10611032), (4, 5305516), (8, 2652758), (16, 1326379), (59, 359696), (118, 179848), (236, 89924), (472, 44962), (944, 22481)]