21000421420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95456461}}^1$

素因数の和:95456481

約数の個数: 24

約数和(自身を含む): 48110056848

約数和(自身を除く): 27109635428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95456461, 190912922, 381825844, 477282305, 954564610, 1050021071, 1909129220, 2100042142, 4200084284, 5250105355, 10500210710, 21000421420]

約数ペア:

[(1, 21000421420), (2, 10500210710), (4, 5250105355), (5, 4200084284), (10, 2100042142), (11, 1909129220), (20, 1050021071), (22, 954564610), (44, 477282305), (55, 381825844), (110, 190912922), (220, 95456461)]