21074020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95791}}^1$

素因数の和:95811

約数の個数: 24

約数和(自身を含む): 48279168

約数和(自身を除く): 27205148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95791, 191582, 383164, 478955, 957910, 1053701, 1915820, 2107402, 4214804, 5268505, 10537010, 21074020]

約数ペア:

[(1, 21074020), (2, 10537010), (4, 5268505), (5, 4214804), (10, 2107402), (11, 1915820), (20, 1053701), (22, 957910), (44, 478955), (55, 383164), (110, 191582), (220, 95791)]