21541058

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 40618368

約数和(自身を除く): 19077310

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 959, 1021, 1507, 1918, 2042, 3014, 7147, 10549, 11231, 14294, 21098, 22462, 78617, 139877, 157234, 279754, 979139, 1538647, 1958278, 3077294, 10770529, 21541058]

約数ペア:

[(1, 21541058), (2, 10770529), (7, 3077294), (11, 1958278), (14, 1538647), (22, 979139), (77, 279754), (137, 157234), (154, 139877), (274, 78617), (959, 22462), (1021, 21098), (1507, 14294), (1918, 11231), (2042, 10549), (3014, 7147)]