21331010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 18395710

約数列:

[1, 2, 5, 10, 43, 86, 113, 215, 226, 430, 439, 565, 878, 1130, 2195, 4390, 4859, 9718, 18877, 24295, 37754, 48590, 49607, 94385, 99214, 188770, 248035, 496070, 2133101, 4266202, 10665505, 21331010]

約数ペア:

[(1, 21331010), (2, 10665505), (5, 4266202), (10, 2133101), (43, 496070), (86, 248035), (113, 188770), (215, 99214), (226, 94385), (430, 49607), (439, 48590), (565, 37754), (878, 24295), (1130, 18877), (2195, 9718), (4390, 4859)]