21000902511

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1885349}}^1$

素因数の和:1885478

約数の個数: 16

約数和(自身を含む): 28958976000

約数和(自身を除く): 7958073489

約数列:

[1, 3, 47, 79, 141, 237, 3713, 11139, 1885349, 5656047, 88611403, 148942571, 265834209, 446827713, 7000300837, 21000902511]

約数ペア:

[(1, 21000902511), (3, 7000300837), (47, 446827713), (79, 265834209), (141, 148942571), (237, 88611403), (3713, 5656047), (11139, 1885349)]