21034372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1709}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 39213720

約数和(自身を除く): 18179348

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1709, 3077, 3418, 6154, 6836, 12308, 29053, 58106, 116212, 309329, 618658, 1237316, 5258593, 10517186, 21034372]

約数ペア:

[(1, 21034372), (2, 10517186), (4, 5258593), (17, 1237316), (34, 618658), (68, 309329), (181, 116212), (362, 58106), (724, 29053), (1709, 12308), (3077, 6836), (3418, 6154)]