21044452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36791}}^1$

素因数の和:36819

約数の個数: 24

約数和(自身を含む): 43267392

約数和(自身を除く): 22222940

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36791, 73582, 147164, 404701, 478283, 809402, 956566, 1618804, 1913132, 5261113, 10522226, 21044452]

約数ペア:

[(1, 21044452), (2, 10522226), (4, 5261113), (11, 1913132), (13, 1618804), (22, 956566), (26, 809402), (44, 478283), (52, 404701), (143, 147164), (286, 73582), (572, 36791)]