21000655233

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{827}}^1\times {\mathrm{65617}}^1$

素因数の和:66493

約数の個数: 24

約数和(自身を含む): 31077734688

約数和(自身を除く): 10077079455

約数列:

[1, 3, 9, 43, 129, 387, 827, 2481, 7443, 35561, 65617, 106683, 196851, 320049, 590553, 2821531, 8464593, 25393779, 54265259, 162795777, 488387331, 2333406137, 7000218411, 21000655233]

約数ペア:

[(1, 21000655233), (3, 7000218411), (9, 2333406137), (43, 488387331), (129, 162795777), (387, 54265259), (827, 25393779), (2481, 8464593), (7443, 2821531), (35561, 590553), (65617, 320049), (106683, 196851)]