21532557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11411}}^1$

素因数の和:11468

約数の個数: 16

約数和(自身を含む): 31223232

約数和(自身を除く): 9690675

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11411, 34233, 193987, 422207, 581961, 1266621, 7177519, 21532557]

約数ペア:

[(1, 21532557), (3, 7177519), (17, 1266621), (37, 581961), (51, 422207), (111, 193987), (629, 34233), (1887, 11411)]