21442025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 29325504

約数和(自身を除く): 7883479

約数列:

[1, 5, 11, 25, 55, 103, 275, 515, 757, 1133, 2575, 3785, 5665, 8327, 18925, 28325, 41635, 77971, 208175, 389855, 857681, 1949275, 4288405, 21442025]

約数ペア:

[(1, 21442025), (5, 4288405), (11, 1949275), (25, 857681), (55, 389855), (103, 208175), (275, 77971), (515, 41635), (757, 28325), (1133, 18925), (2575, 8327), (3785, 5665)]