21939327

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 32697600

約数和(自身を除く): 10758273

約数列:

[1, 3, 9, 59, 79, 177, 237, 523, 531, 711, 1569, 4661, 4707, 13983, 30857, 41317, 41949, 92571, 123951, 277713, 371853, 2437703, 7313109, 21939327]

約数ペア:

[(1, 21939327), (3, 7313109), (9, 2437703), (59, 371853), (79, 277713), (177, 123951), (237, 92571), (523, 41949), (531, 41317), (711, 30857), (1569, 13983), (4661, 4707)]