21844179

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3433}}^1$

素因数の和:3547

約数の個数: 24

約数和(自身を含む): 36427872

約数和(自身を除く): 14583693

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 3433, 6363, 10299, 24031, 30897, 72093, 216279, 346733, 1040199, 2427131, 3120597, 7281393, 21844179]

約数ペア:

[(1, 21844179), (3, 7281393), (7, 3120597), (9, 2427131), (21, 1040199), (63, 346733), (101, 216279), (303, 72093), (707, 30897), (909, 24031), (2121, 10299), (3433, 6363)]