21137380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96079}}^1$

素因数の和:96099

約数の個数: 24

約数和(自身を含む): 48424320

約数和(自身を除く): 27286940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96079, 192158, 384316, 480395, 960790, 1056869, 1921580, 2113738, 4227476, 5284345, 10568690, 21137380]

約数ペア:

[(1, 21137380), (2, 10568690), (4, 5284345), (5, 4227476), (10, 2113738), (11, 1921580), (20, 1056869), (22, 960790), (44, 480395), (55, 384316), (110, 192158), (220, 96079)]