21986999996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4721}}^1\times {\mathrm{89563}}^1$

素因数の和:94301

約数の個数: 24

約数和(自身を含む): 41446278384

約数和(自身を除く): 19459278388

約数列:

[1, 2, 4, 13, 26, 52, 4721, 9442, 18884, 61373, 89563, 122746, 179126, 245492, 358252, 1164319, 2328638, 4657276, 422826923, 845653846, 1691307692, 5496749999, 10993499998, 21986999996]

約数ペア:

[(1, 21986999996), (2, 10993499998), (4, 5496749999), (13, 1691307692), (26, 845653846), (52, 422826923), (4721, 4657276), (9442, 2328638), (18884, 1164319), (61373, 358252), (89563, 245492), (122746, 179126)]