21040631

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1768969

約数列:

[1, 29, 43, 47, 359, 1247, 1363, 2021, 10411, 15437, 16873, 58609, 447673, 489317, 725539, 21040631]

約数ペア:

[(1, 21040631), (29, 725539), (43, 489317), (47, 447673), (359, 58609), (1247, 16873), (1363, 15437), (2021, 10411)]