21872118

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51343}}^1$

素因数の和:51419

約数の個数: 16

約数和(自身を含む): 44361216

約数和(自身を除く): 22489098

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51343, 102686, 154029, 308058, 3645353, 7290706, 10936059, 21872118]

約数ペア:

[(1, 21872118), (2, 10936059), (3, 7290706), (6, 3645353), (71, 308058), (142, 154029), (213, 102686), (426, 51343)]