21774064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104683}}^1$

素因数の和:104704

約数の個数: 20

約数和(自身を含む): 45432856

約数和(自身を除く): 23658792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104683, 209366, 418732, 837464, 1360879, 1674928, 2721758, 5443516, 10887032, 21774064]

約数ペア:

[(1, 21774064), (2, 10887032), (4, 5443516), (8, 2721758), (13, 1674928), (16, 1360879), (26, 837464), (52, 418732), (104, 209366), (208, 104683)]