21402220438

素因数分解:

$2^1\times {\mathrm{503}}^1\times {\mathrm{821}}^1\times {\mathrm{25913}}^1$

素因数の和:27239

約数の個数: 16

約数和(自身を含む): 32207577696

約数和(自身を除く): 10805357258

約数列:

[1, 2, 503, 821, 1006, 1642, 25913, 51826, 412963, 825926, 13034239, 21274573, 26068478, 42549146, 10701110219, 21402220438]

約数ペア:

[(1, 21402220438), (2, 10701110219), (503, 42549146), (821, 26068478), (1006, 21274573), (1642, 13034239), (25913, 825926), (51826, 412963)]