21263118

素因数分解:

$2^1\times 3^1\times {\mathrm{1663}}^1\times {\mathrm{2131}}^1$

素因数の和:3799

約数の個数: 16

約数和(自身を含む): 42571776

約数和(自身を除く): 21308658

約数列:

[1, 2, 3, 6, 1663, 2131, 3326, 4262, 4989, 6393, 9978, 12786, 3543853, 7087706, 10631559, 21263118]

約数ペア:

[(1, 21263118), (2, 10631559), (3, 7087706), (6, 3543853), (1663, 12786), (2131, 9978), (3326, 6393), (4262, 4989)]