21817730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{823}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 43072128

約数和(自身を除く): 21254398

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 823, 1205, 1646, 2410, 2651, 4115, 5302, 8230, 9053, 13255, 18106, 26510, 45265, 90530, 198343, 396686, 991715, 1983430, 2181773, 4363546, 10908865, 21817730]

約数ペア:

[(1, 21817730), (2, 10908865), (5, 4363546), (10, 2181773), (11, 1983430), (22, 991715), (55, 396686), (110, 198343), (241, 90530), (482, 45265), (823, 26510), (1205, 18106), (1646, 13255), (2410, 9053), (2651, 8230), (4115, 5302)]