21525992

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{21187}}^1$

素因数の和:21320

約数の個数: 16

約数和(自身を含む): 40680960

約数和(自身を除く): 19154968

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 21187, 42374, 84748, 169496, 2690749, 5381498, 10762996, 21525992]

約数ペア:

[(1, 21525992), (2, 10762996), (4, 5381498), (8, 2690749), (127, 169496), (254, 84748), (508, 42374), (1016, 21187)]