21056430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701881}}^1$

素因数の和:701891

約数の個数: 16

約数和(自身を含む): 50535504

約数和(自身を除く): 29479074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701881, 1403762, 2105643, 3509405, 4211286, 7018810, 10528215, 21056430]

約数ペア:

[(1, 21056430), (2, 10528215), (3, 7018810), (5, 4211286), (6, 3509405), (10, 2105643), (15, 1403762), (30, 701881)]