21491450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{11617}}^1$

素因数の和:11666

約数の個数: 24

約数和(自身を含む): 41058012

約数和(自身を除く): 19566562

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 370, 925, 1850, 11617, 23234, 58085, 116170, 290425, 429829, 580850, 859658, 2149145, 4298290, 10745725, 21491450]

約数ペア:

[(1, 21491450), (2, 10745725), (5, 4298290), (10, 2149145), (25, 859658), (37, 580850), (50, 429829), (74, 290425), (185, 116170), (370, 58085), (925, 23234), (1850, 11617)]