21897056

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12911}}^1$

素因数の和:12974

約数の個数: 24

約数和(自身を含む): 43926624

約数和(自身を除く): 22029568

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12911, 25822, 51644, 103288, 206576, 413152, 684283, 1368566, 2737132, 5474264, 10948528, 21897056]

約数ペア:

[(1, 21897056), (2, 10948528), (4, 5474264), (8, 2737132), (16, 1368566), (32, 684283), (53, 413152), (106, 206576), (212, 103288), (424, 51644), (848, 25822), (1696, 12911)]