21499801595

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{939061}}^1$

素因数の和:939326

約数の個数: 16

約数和(自身を含む): 27270360480

約数和(自身を除く): 5770558885

約数列:

[1, 5, 19, 95, 241, 1205, 4579, 22895, 939061, 4695305, 17842159, 89210795, 226313701, 1131568505, 4299960319, 21499801595]

約数ペア:

[(1, 21499801595), (5, 4299960319), (19, 1131568505), (95, 226313701), (241, 89210795), (1205, 17842159), (4579, 4695305), (22895, 939061)]