21047454

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{2713}}^1$

素因数の和:3152

約数の個数: 24

約数和(自身を含む): 45725472

約数和(自身を除く): 24678018

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2586, 2713, 3879, 5426, 7758, 8139, 16278, 24417, 48834, 1169303, 2338606, 3507909, 7015818, 10523727, 21047454]

約数ペア:

[(1, 21047454), (2, 10523727), (3, 7015818), (6, 3507909), (9, 2338606), (18, 1169303), (431, 48834), (862, 24417), (1293, 16278), (2586, 8139), (2713, 7758), (3879, 5426)]