21114738

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 48690720

約数和(自身を除く): 27575982

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 107, 114, 171, 214, 321, 342, 577, 642, 963, 1154, 1731, 1926, 2033, 3462, 4066, 5193, 6099, 10386, 10963, 12198, 18297, 21926, 32889, 36594, 61739, 65778, 98667, 123478, 185217, 197334, 370434, 555651, 1111302, 1173041, 2346082, 3519123, 7038246, 10557369, 21114738]

約数ペア:

[(1, 21114738), (2, 10557369), (3, 7038246), (6, 3519123), (9, 2346082), (18, 1173041), (19, 1111302), (38, 555651), (57, 370434), (107, 197334), (114, 185217), (171, 123478), (214, 98667), (321, 65778), (342, 61739), (577, 36594), (642, 32889), (963, 21926), (1154, 18297), (1731, 12198), (1926, 10963), (2033, 10386), (3462, 6099), (4066, 5193)]