21820323

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{25343}}^1$

素因数の和:25394

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 12242013

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 25343, 76029, 177401, 532203, 1039063, 3117189, 7273441, 21820323]

約数ペア:

[(1, 21820323), (3, 7273441), (7, 3117189), (21, 1039063), (41, 532203), (123, 177401), (287, 76029), (861, 25343)]