21087564

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{56687}}^1$

素因数の和:56725

約数の個数: 24

約数和(自身を含む): 50792448

約数和(自身を除く): 29704884

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 56687, 113374, 170061, 226748, 340122, 680244, 1757297, 3514594, 5271891, 7029188, 10543782, 21087564]

約数ペア:

[(1, 21087564), (2, 10543782), (3, 7029188), (4, 5271891), (6, 3514594), (12, 1757297), (31, 680244), (62, 340122), (93, 226748), (124, 170061), (186, 113374), (372, 56687)]