21000895019

素因数分解:

${\mathrm{13}}^2\times {\mathrm{617}}^1\times {\mathrm{201403}}^1$

素因数の和:202046

約数の個数: 12

約数和(自身を含む): 22777583976

約数和(自身を除く): 1776688957

約数列:

[1, 13, 169, 617, 8021, 104273, 201403, 2618239, 34037107, 124265651, 1615453463, 21000895019]

約数ペア:

[(1, 21000895019), (13, 1615453463), (169, 124265651), (617, 34037107), (8021, 2618239), (104273, 201403)]