21894756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140351}}^1$

素因数の和:140371

約数の個数: 24

約数和(自身を含む): 55017984

約数和(自身を除く): 33123228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140351, 280702, 421053, 561404, 842106, 1684212, 1824563, 3649126, 5473689, 7298252, 10947378, 21894756]

約数ペア:

[(1, 21894756), (2, 10947378), (3, 7298252), (4, 5473689), (6, 3649126), (12, 1824563), (13, 1684212), (26, 842106), (39, 561404), (52, 421053), (78, 280702), (156, 140351)]