21912225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15377}}^1$

素因数の和:15409

約数の個数: 24

約数和(自身を含む): 38137440

約数和(自身を除く): 16225215

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15377, 46131, 76885, 230655, 292163, 384425, 876489, 1153275, 1460815, 4382445, 7304075, 21912225]

約数ペア:

[(1, 21912225), (3, 7304075), (5, 4382445), (15, 1460815), (19, 1153275), (25, 876489), (57, 384425), (75, 292163), (95, 230655), (285, 76885), (475, 46131), (1425, 15377)]