21766324

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1048

約数の個数: 36

約数和(自身を含む): 42636160

約数和(自身を除く): 20869836

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 991, 1156, 1292, 1982, 3964, 5491, 10982, 16847, 18829, 21964, 33694, 37658, 67388, 75316, 286399, 320093, 572798, 640186, 1145596, 1280372, 5441581, 10883162, 21766324]

約数ペア:

[(1, 21766324), (2, 10883162), (4, 5441581), (17, 1280372), (19, 1145596), (34, 640186), (38, 572798), (68, 320093), (76, 286399), (289, 75316), (323, 67388), (578, 37658), (646, 33694), (991, 21964), (1156, 18829), (1292, 16847), (1982, 10982), (3964, 5491)]