21188630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 40777344

約数和(自身を除く): 19588714

約数列:

[1, 2, 5, 10, 17, 34, 85, 113, 170, 226, 565, 1103, 1130, 1921, 2206, 3842, 5515, 9605, 11030, 18751, 19210, 37502, 93755, 124639, 187510, 249278, 623195, 1246390, 2118863, 4237726, 10594315, 21188630]

約数ペア:

[(1, 21188630), (2, 10594315), (5, 4237726), (10, 2118863), (17, 1246390), (34, 623195), (85, 249278), (113, 187510), (170, 124639), (226, 93755), (565, 37502), (1103, 19210), (1130, 18751), (1921, 11030), (2206, 9605), (3842, 5515)]