21542978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5813}}^1$

素因数の和:5941

約数の個数: 16

約数和(自身を含む): 34535160

約数和(自身を除く): 12992182

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5813, 11626, 98821, 197642, 633617, 1267234, 10771489, 21542978]

約数ペア:

[(1, 21542978), (2, 10771489), (17, 1267234), (34, 633617), (109, 197642), (218, 98821), (1853, 11626), (3706, 5813)]