21770897

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 24076800

約数和(自身を除く): 2305903

約数列:

[1, 17, 31, 109, 379, 527, 1853, 3379, 6443, 11749, 41311, 57443, 199733, 702287, 1280641, 21770897]

約数ペア:

[(1, 21770897), (17, 1280641), (31, 702287), (109, 199733), (379, 57443), (527, 41311), (1853, 11749), (3379, 6443)]