21096273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14867}}^1$

素因数の和:14924

約数の個数: 16

約数和(自身を含む): 31401216

約数和(自身を除く): 10304943

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14867, 44601, 163537, 490611, 639281, 1917843, 7032091, 21096273]

約数ペア:

[(1, 21096273), (3, 7032091), (11, 1917843), (33, 639281), (43, 490611), (129, 163537), (473, 44601), (1419, 14867)]