21124191806

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{72421}}^1$

素因数の和:72836

約数の個数: 32

約数和(自身を含む): 35103233088

約数和(自身を除く): 13979041282

約数列:

[1, 2, 17, 23, 34, 46, 373, 391, 746, 782, 6341, 8579, 12682, 17158, 72421, 144842, 145843, 291686, 1231157, 1665683, 2462314, 3331366, 27013033, 28316611, 54026066, 56633222, 459221561, 621299759, 918443122, 1242599518, 10562095903, 21124191806]

約数ペア:

[(1, 21124191806), (2, 10562095903), (17, 1242599518), (23, 918443122), (34, 621299759), (46, 459221561), (373, 56633222), (391, 54026066), (746, 28316611), (782, 27013033), (6341, 3331366), (8579, 2462314), (12682, 1665683), (17158, 1231157), (72421, 291686), (144842, 145843)]