21167773240

素因数分解:

$2^3\times 5^1\times {\mathrm{529194331}}^1$

素因数の和:529194342

約数の個数: 16

約数和(自身を含む): 47627489880

約数和(自身を除く): 26459716640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 529194331, 1058388662, 2116777324, 2645971655, 4233554648, 5291943310, 10583886620, 21167773240]

約数ペア:

[(1, 21167773240), (2, 10583886620), (4, 5291943310), (5, 4233554648), (8, 2645971655), (10, 2116777324), (20, 1058388662), (40, 529194331)]