21762587

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 27343872

約数和(自身を除く): 5581285

約数列:

[1, 7, 11, 77, 137, 959, 1507, 2063, 10549, 14441, 22693, 158851, 282631, 1978417, 3108941, 21762587]

約数ペア:

[(1, 21762587), (7, 3108941), (11, 1978417), (77, 282631), (137, 158851), (959, 22693), (1507, 14441), (2063, 10549)]