21568706

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{7109}}^1$

素因数の和:7189

約数の個数: 16

約数和(自身を含む): 34042680

約数和(自身を除く): 12473974

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 7109, 14218, 263033, 291469, 526066, 582938, 10784353, 21568706]

約数ペア:

[(1, 21568706), (2, 10784353), (37, 582938), (41, 526066), (74, 291469), (82, 263033), (1517, 14218), (3034, 7109)]