21112641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1277}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 33493824

約数和(自身を除く): 12381183

約数列:

[1, 3, 9, 11, 33, 99, 167, 501, 1277, 1503, 1837, 3831, 5511, 11493, 14047, 16533, 42141, 126423, 213259, 639777, 1919331, 2345849, 7037547, 21112641]

約数ペア:

[(1, 21112641), (3, 7037547), (9, 2345849), (11, 1919331), (33, 639777), (99, 213259), (167, 126423), (501, 42141), (1277, 16533), (1503, 14047), (1837, 11493), (3831, 5511)]