21902829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7109}}^1$

素因数の和:7204

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 9949971

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 7109, 21327, 92417, 277251, 561611, 1684833, 7300943, 21902829]

約数ペア:

[(1, 21902829), (3, 7300943), (13, 1684833), (39, 561611), (79, 277251), (237, 92417), (1027, 21327), (3081, 7109)]