21658468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11257}}^1$

素因数の和:11311

約数の個数: 24

約数和(自身を含む): 41924792

約数和(自身を除く): 20266324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11257, 22514, 45028, 146341, 292682, 416509, 585364, 833018, 1666036, 5414617, 10829234, 21658468]

約数ペア:

[(1, 21658468), (2, 10829234), (4, 5414617), (13, 1666036), (26, 833018), (37, 585364), (52, 416509), (74, 292682), (148, 146341), (481, 45028), (962, 22514), (1924, 11257)]