21892465

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4703}}^1$

素因数の和:4741

約数の個数: 24

約数和(自身を含む): 32175360

約数和(自身を除く): 10282895

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 4703, 23515, 32921, 89357, 164605, 230447, 446785, 625499, 1152235, 3127495, 4378493, 21892465]

約数ペア:

[(1, 21892465), (5, 4378493), (7, 3127495), (19, 1152235), (35, 625499), (49, 446785), (95, 230447), (133, 164605), (245, 89357), (665, 32921), (931, 23515), (4655, 4703)]