21070559

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 22751520

約数和(自身を除く): 1680961

約数列:

[1, 29, 43, 61, 277, 1247, 1769, 2623, 8033, 11911, 16897, 76067, 345419, 490013, 726571, 21070559]

約数ペア:

[(1, 21070559), (29, 726571), (43, 490013), (61, 345419), (277, 76067), (1247, 16897), (1769, 11911), (2623, 8033)]