21127906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5701}}^1$

素因数の和:5829

約数の個数: 16

約数和(自身を含む): 33869880

約数和(自身を除く): 12741974

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5701, 11402, 96917, 193834, 621409, 1242818, 10563953, 21127906]

約数ペア:

[(1, 21127906), (2, 10563953), (17, 1242818), (34, 621409), (109, 193834), (218, 96917), (1853, 11402), (3706, 5701)]