21536931

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13469}}^1$

素因数の和:13526

約数の個数: 16

約数和(自身を含む): 31681440

約数和(自身を除く): 10144509

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13469, 40407, 175097, 525291, 552229, 1656687, 7178977, 21536931]

約数ペア:

[(1, 21536931), (3, 7178977), (13, 1656687), (39, 552229), (41, 525291), (123, 175097), (533, 40407), (1599, 13469)]