21569648

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{3557}}^1$

素因数の和:3944

約数の個数: 20

約数和(自身を含む): 41913240

約数和(自身を除く): 20343592

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 3557, 6064, 7114, 14228, 28456, 56912, 1348103, 2696206, 5392412, 10784824, 21569648]

約数ペア:

[(1, 21569648), (2, 10784824), (4, 5392412), (8, 2696206), (16, 1348103), (379, 56912), (758, 28456), (1516, 14228), (3032, 7114), (3557, 6064)]