21331192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2341}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 42999120

約数和(自身を除く): 21667928

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 2341, 4556, 4682, 9112, 9364, 18728, 39797, 79594, 156847, 159188, 313694, 318376, 627388, 1254776, 2666399, 5332798, 10665596, 21331192]

約数ペア:

[(1, 21331192), (2, 10665596), (4, 5332798), (8, 2666399), (17, 1254776), (34, 627388), (67, 318376), (68, 313694), (134, 159188), (136, 156847), (268, 79594), (536, 39797), (1139, 18728), (2278, 9364), (2341, 9112), (4556, 4682)]