21799926

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8713}}^1$

素因数の和:8860

約数の個数: 24

約数和(自身を含む): 47578440

約数和(自身を除く): 25778514

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8713, 17426, 26139, 52278, 78417, 156834, 1211107, 2422214, 3633321, 7266642, 10899963, 21799926]

約数ペア:

[(1, 21799926), (2, 10899963), (3, 7266642), (6, 3633321), (9, 2422214), (18, 1211107), (139, 156834), (278, 78417), (417, 52278), (834, 26139), (1251, 17426), (2502, 8713)]