210964901

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{21481}}^1$

素因数の和:21572

約数の個数: 16

約数和(自身を含む): 255721728

約数和(自身を除く): 44756827

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 21481, 150367, 494063, 1310341, 3458441, 9172387, 30137843, 210964901]

約数ペア:

[(1, 210964901), (7, 30137843), (23, 9172387), (61, 3458441), (161, 1310341), (427, 494063), (1403, 150367), (9821, 21481)]