21859899

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6287}}^1$

素因数の和:6370

約数の個数: 16

約数和(自身を含む): 31188480

約数和(自身を除く): 9328581

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6287, 18861, 119453, 358359, 383507, 1150521, 7286633, 21859899]

約数ペア:

[(1, 21859899), (3, 7286633), (19, 1150521), (57, 383507), (61, 358359), (183, 119453), (1159, 18861), (3477, 6287)]