21163158

素因数分解:

$2^1\times 3^2\times {\mathrm{673}}^1\times {\mathrm{1747}}^1$

素因数の和:2428

約数の個数: 24

約数和(自身を含む): 45947928

約数和(自身を除く): 24784770

約数列:

[1, 2, 3, 6, 9, 18, 673, 1346, 1747, 2019, 3494, 4038, 5241, 6057, 10482, 12114, 15723, 31446, 1175731, 2351462, 3527193, 7054386, 10581579, 21163158]

約数ペア:

[(1, 21163158), (2, 10581579), (3, 7054386), (6, 3527193), (9, 2351462), (18, 1175731), (673, 31446), (1346, 15723), (1747, 12114), (2019, 10482), (3494, 6057), (4038, 5241)]