21320626175

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{39317}}^1$

素因数の和:39635

約数の個数: 24

約数和(自身を含む): 26814876000

約数和(自身を除く): 5494249825

約数列:

[1, 5, 25, 109, 199, 545, 995, 2725, 4975, 21691, 39317, 108455, 196585, 542275, 982925, 4285553, 7824083, 21427765, 39120415, 107138825, 195602075, 852825047, 4264125235, 21320626175]

約数ペア:

[(1, 21320626175), (5, 4264125235), (25, 852825047), (109, 195602075), (199, 107138825), (545, 39120415), (995, 21427765), (2725, 7824083), (4975, 4285553), (21691, 982925), (39317, 542275), (108455, 196585)]