21057466

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 33120000

約数和(自身を除く): 12062534

約数列:

[1, 2, 23, 46, 229, 458, 1999, 3998, 5267, 10534, 45977, 91954, 457771, 915542, 10528733, 21057466]

約数ペア:

[(1, 21057466), (2, 10528733), (23, 915542), (46, 457771), (229, 91954), (458, 45977), (1999, 10534), (3998, 5267)]