12921858

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{10111}}^1$

素因数の和:10190

約数の個数: 24

約数和(自身を含む): 28394496

約数和(自身を除く): 15472638

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 10111, 20222, 30333, 60666, 90999, 181998, 717881, 1435762, 2153643, 4307286, 6460929, 12921858]

約数ペア:

[(1, 12921858), (2, 6460929), (3, 4307286), (6, 2153643), (9, 1435762), (18, 717881), (71, 181998), (142, 90999), (213, 60666), (426, 30333), (639, 20222), (1278, 10111)]