21258654

素因数分解:

$2^1\times 3^1\times {\mathrm{317}}^1\times {\mathrm{11177}}^1$

素因数の和:11499

約数の個数: 16

約数和(自身を含む): 42655248

約数和(自身を除く): 21396594

約数列:

[1, 2, 3, 6, 317, 634, 951, 1902, 11177, 22354, 33531, 67062, 3543109, 7086218, 10629327, 21258654]

約数ペア:

[(1, 21258654), (2, 10629327), (3, 7086218), (6, 3543109), (317, 67062), (634, 33531), (951, 22354), (1902, 11177)]