21522188

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{797}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 38833872

約数和(自身を除く): 17311684

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 797, 1594, 3188, 6751, 13502, 27004, 34271, 68542, 125129, 137084, 250258, 500516, 5380547, 10761094, 21522188]

約数ペア:

[(1, 21522188), (2, 10761094), (4, 5380547), (43, 500516), (86, 250258), (157, 137084), (172, 125129), (314, 68542), (628, 34271), (797, 27004), (1594, 13502), (3188, 6751)]