21456929

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3057631

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1439, 14911, 18707, 44609, 53243, 579917, 692159, 1650533, 21456929]

約数ペア:

[(1, 21456929), (13, 1650533), (31, 692159), (37, 579917), (403, 53243), (481, 44609), (1147, 18707), (1439, 14911)]