21460595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17377}}^1$

素因数の和:17414

約数の個数: 16

約数和(自身を含む): 29195040

約数和(自身を除く): 7734445

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 17377, 86885, 225901, 330163, 1129505, 1650815, 4292119, 21460595]

約数ペア:

[(1, 21460595), (5, 4292119), (13, 1650815), (19, 1129505), (65, 330163), (95, 225901), (247, 86885), (1235, 17377)]