21384164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2939}}^1$

素因数の和:3067

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 18623356

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2939, 3638, 5878, 7276, 11756, 49963, 99926, 199852, 314473, 628946, 1257892, 5346041, 10692082, 21384164]

約数ペア:

[(1, 21384164), (2, 10692082), (4, 5346041), (17, 1257892), (34, 628946), (68, 314473), (107, 199852), (214, 99926), (428, 49963), (1819, 11756), (2939, 7276), (3638, 5878)]