21645572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2113}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 41020056

約数和(自身を除く): 19374484

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2113, 2561, 4226, 5122, 8452, 10244, 27469, 54938, 109876, 416261, 832522, 1665044, 5411393, 10822786, 21645572]

約数ペア:

[(1, 21645572), (2, 10822786), (4, 5411393), (13, 1665044), (26, 832522), (52, 416261), (197, 109876), (394, 54938), (788, 27469), (2113, 10244), (2561, 8452), (4226, 5122)]