21058895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29453}}^1$

素因数の和:29482

約数の個数: 16

約数和(自身を含む): 29689632

約数和(自身を除く): 8630737

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29453, 147265, 323983, 382889, 1619915, 1914445, 4211779, 21058895]

約数ペア:

[(1, 21058895), (5, 4211779), (11, 1914445), (13, 1619915), (55, 382889), (65, 323983), (143, 147265), (715, 29453)]