21216415418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20518777}}^1$

素因数の和:20518837

約数の個数: 16

約数和(自身を含む): 35456448384

約数和(自身を除く): 14240032966

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20518777, 41037554, 225706547, 451413094, 964382519, 1928765038, 10608207709, 21216415418]

約数ペア:

[(1, 21216415418), (2, 10608207709), (11, 1928765038), (22, 964382519), (47, 451413094), (94, 225706547), (517, 41037554), (1034, 20518777)]