21437361

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2741}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 34220160

約数和(自身を除く): 12782799

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 2741, 7821, 8223, 24669, 30151, 90453, 216539, 271359, 649617, 1948851, 2381929, 7145787, 21437361]

約数ペア:

[(1, 21437361), (3, 7145787), (9, 2381929), (11, 1948851), (33, 649617), (79, 271359), (99, 216539), (237, 90453), (711, 30151), (869, 24669), (2607, 8223), (2741, 7821)]