21465237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13577}}^1$

素因数の和:13628

約数の個数: 16

約数和(自身を含む): 31283712

約数和(自身を除く): 9818475

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13577, 40731, 230809, 420887, 692427, 1262661, 7155079, 21465237]

約数ペア:

[(1, 21465237), (3, 7155079), (17, 1262661), (31, 692427), (51, 420887), (93, 230809), (527, 40731), (1581, 13577)]