21905662

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1423}}^1$

素因数の和:1647

約数の個数: 16

約数和(自身を含む): 33834240

約数和(自身を除く): 11928578

約数列:

[1, 2, 43, 86, 179, 358, 1423, 2846, 7697, 15394, 61189, 122378, 254717, 509434, 10952831, 21905662]

約数ペア:

[(1, 21905662), (2, 10952831), (43, 509434), (86, 254717), (179, 122378), (358, 61189), (1423, 15394), (2846, 7697)]