21312693

素因数分解:

$3^3\times {\mathrm{433}}^1\times {\mathrm{1823}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 31664640

約数和(自身を除く): 10351947

約数列:

[1, 3, 9, 27, 433, 1299, 1823, 3897, 5469, 11691, 16407, 49221, 789359, 2368077, 7104231, 21312693]

約数ペア:

[(1, 21312693), (3, 7104231), (9, 2368077), (27, 789359), (433, 49221), (1299, 16407), (1823, 11691), (3897, 5469)]