21229311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2113}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 30137184

約数和(自身を除く): 8907873

約数列:

[1, 3, 17, 51, 197, 591, 2113, 3349, 6339, 10047, 35921, 107763, 416261, 1248783, 7076437, 21229311]

約数ペア:

[(1, 21229311), (3, 7076437), (17, 1248783), (51, 416261), (197, 107763), (591, 35921), (2113, 10047), (3349, 6339)]