21709623

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13577}}^1$

素因数の和:13634

約数の個数: 16

約数和(自身を含む): 31935456

約数和(自身を除く): 10225833

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13577, 40731, 176501, 529503, 556657, 1669971, 7236541, 21709623]

約数ペア:

[(1, 21709623), (3, 7236541), (13, 1669971), (39, 556657), (41, 529503), (123, 176501), (533, 40731), (1599, 13577)]