21017238

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318443}}^1$

素因数の和:318459

約数の個数: 16

約数和(自身を含む): 45855936

約数和(自身を除く): 24838698

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318443, 636886, 955329, 1910658, 3502873, 7005746, 10508619, 21017238]

約数ペア:

[(1, 21017238), (2, 10508619), (3, 7005746), (6, 3502873), (11, 1910658), (22, 955329), (33, 636886), (66, 318443)]