21631676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15859}}^1$

素因数の和:15905

約数の個数: 24

約数和(自身を含む): 42631680

約数和(自身を除く): 21000004

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15859, 31718, 63436, 174449, 348898, 491629, 697796, 983258, 1966516, 5407919, 10815838, 21631676]

約数ペア:

[(1, 21631676), (2, 10815838), (4, 5407919), (11, 1966516), (22, 983258), (31, 697796), (44, 491629), (62, 348898), (124, 174449), (341, 63436), (682, 31718), (1364, 15859)]