21230564524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{783647}}^1$

素因数の和:784185

約数の個数: 24

約数和(自身を含む): 40088297088

約数和(自身を除く): 18857732564

約数列:

[1, 2, 4, 13, 26, 52, 521, 1042, 2084, 6773, 13546, 27092, 783647, 1567294, 3134588, 10187411, 20374822, 40749644, 408280087, 816560174, 1633120348, 5307641131, 10615282262, 21230564524]

約数ペア:

[(1, 21230564524), (2, 10615282262), (4, 5307641131), (13, 1633120348), (26, 816560174), (52, 408280087), (521, 40749644), (1042, 20374822), (2084, 10187411), (6773, 3134588), (13546, 1567294), (27092, 783647)]