21821118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{330623}}^1$

素因数の和:330639

約数の個数: 16

約数和(自身を含む): 47609856

約数和(自身を除く): 25788738

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 330623, 661246, 991869, 1983738, 3636853, 7273706, 10910559, 21821118]

約数ペア:

[(1, 21821118), (2, 10910559), (3, 7273706), (6, 3636853), (11, 1983738), (22, 991869), (33, 661246), (66, 330623)]