21031637

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 3184555

約数列:

[1, 11, 23, 97, 253, 857, 1067, 2231, 9427, 19711, 24541, 83129, 216821, 914419, 1911967, 21031637]

約数ペア:

[(1, 21031637), (11, 1911967), (23, 914419), (97, 216821), (253, 83129), (857, 24541), (1067, 19711), (2231, 9427)]