21046571

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5641}}^1$

素因数の和:5702

約数の個数: 16

約数和(自身を含む): 26539968

約数和(自身を除く): 5493397

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5641, 39487, 73333, 231281, 513331, 1618967, 3006653, 21046571]

約数ペア:

[(1, 21046571), (7, 3006653), (13, 1618967), (41, 513331), (91, 231281), (287, 73333), (533, 39487), (3731, 5641)]