21312628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13627}}^1$

素因数の和:13671

約数の個数: 24

約数和(自身を含む): 41211072

約数和(自身を除く): 19898444

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13627, 27254, 54508, 231659, 313421, 463318, 626842, 926636, 1253684, 5328157, 10656314, 21312628]

約数ペア:

[(1, 21312628), (2, 10656314), (4, 5328157), (17, 1253684), (23, 926636), (34, 626842), (46, 463318), (68, 313421), (92, 231659), (391, 54508), (782, 27254), (1564, 13627)]