21912033

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3929}}^1$

素因数の和:3969

約数の個数: 24

約数和(自身を含む): 34521120

約数和(自身を除く): 12609087

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3929, 5577, 11787, 43219, 51077, 129657, 153231, 561847, 664001, 1685541, 1992003, 7304011, 21912033]

約数ペア:

[(1, 21912033), (3, 7304011), (11, 1992003), (13, 1685541), (33, 664001), (39, 561847), (143, 153231), (169, 129657), (429, 51077), (507, 43219), (1859, 11787), (3929, 5577)]