21659572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2333}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 41563872

約数和(自身を除く): 19904300

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 2333, 4642, 4666, 9284, 9332, 25663, 51326, 102652, 492263, 984526, 1969052, 5414893, 10829786, 21659572]

約数ペア:

[(1, 21659572), (2, 10829786), (4, 5414893), (11, 1969052), (22, 984526), (44, 492263), (211, 102652), (422, 51326), (844, 25663), (2321, 9332), (2333, 9284), (4642, 4666)]