21418078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1951}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 35136000

約数和(自身を除く): 13717922

約数列:

[1, 2, 11, 22, 499, 998, 1951, 3902, 5489, 10978, 21461, 42922, 973549, 1947098, 10709039, 21418078]

約数ペア:

[(1, 21418078), (2, 10709039), (11, 1947098), (22, 973549), (499, 42922), (998, 21461), (1951, 10978), (3902, 5489)]