21859461

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2251}}^1$

素因数の和:2353

約数の個数: 24

約数和(自身を含む): 34428576

約数和(自身を除く): 12569115

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2251, 3237, 6753, 9711, 20259, 29263, 87789, 186833, 263367, 560499, 1681497, 2428829, 7286487, 21859461]

約数ペア:

[(1, 21859461), (3, 7286487), (9, 2428829), (13, 1681497), (39, 560499), (83, 263367), (117, 186833), (249, 87789), (747, 29263), (1079, 20259), (2251, 9711), (3237, 6753)]