21972772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 18911708

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 1039, 1244, 2078, 4156, 5287, 10574, 17663, 21148, 35326, 70652, 323129, 646258, 1292516, 5493193, 10986386, 21972772]

約数ペア:

[(1, 21972772), (2, 10986386), (4, 5493193), (17, 1292516), (34, 646258), (68, 323129), (311, 70652), (622, 35326), (1039, 21148), (1244, 17663), (2078, 10574), (4156, 5287)]