21956804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1567}}^1$

素因数の和:1715

約数の個数: 24

約数和(自身を含む): 40040448

約数和(自身を除く): 18083644

約数列:

[1, 2, 4, 31, 62, 113, 124, 226, 452, 1567, 3134, 3503, 6268, 7006, 14012, 48577, 97154, 177071, 194308, 354142, 708284, 5489201, 10978402, 21956804]

約数ペア:

[(1, 21956804), (2, 10978402), (4, 5489201), (31, 708284), (62, 354142), (113, 194308), (124, 177071), (226, 97154), (452, 48577), (1567, 14012), (3134, 7006), (3503, 6268)]