21099688

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{6959}}^1$

素因数の和:7344

約数の個数: 16

約数和(自身を含む): 39672000

約数和(自身を除く): 18572312

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 6959, 13918, 27836, 55672, 2637461, 5274922, 10549844, 21099688]

約数ペア:

[(1, 21099688), (2, 10549844), (4, 5274922), (8, 2637461), (379, 55672), (758, 27836), (1516, 13918), (3032, 6959)]