21000340802

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24590563}}^1$

素因数の和:24590633

約数の個数: 16

約数和(自身を含む): 36590759232

約数和(自身を除く): 15590418430

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24590563, 49181126, 172133941, 344267882, 1500024343, 3000048686, 10500170401, 21000340802]

約数ペア:

[(1, 21000340802), (2, 10500170401), (7, 3000048686), (14, 1500024343), (61, 344267882), (122, 172133941), (427, 49181126), (854, 24590563)]