21995020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29723}}^1$

素因数の和:29769

約数の個数: 24

約数和(自身を含む): 47439504

約数和(自身を除く): 25444484

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 29723, 59446, 118892, 148615, 297230, 594460, 1099751, 2199502, 4399004, 5498755, 10997510, 21995020]

約数ペア:

[(1, 21995020), (2, 10997510), (4, 5498755), (5, 4399004), (10, 2199502), (20, 1099751), (37, 594460), (74, 297230), (148, 148615), (185, 118892), (370, 59446), (740, 29723)]