22215790

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5711}}^1$

素因数の和:6107

約数の個数: 16

約数和(自身を含む): 40098240

約数和(自身を除く): 17882450

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 5711, 11422, 28555, 57110, 2221579, 4443158, 11107895, 22215790]

約数ペア:

[(1, 22215790), (2, 11107895), (5, 4443158), (10, 2221579), (389, 57110), (778, 28555), (1945, 11422), (3890, 5711)]