21569608

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65761}}^1$

素因数の和:65808

約数の個数: 16

約数和(自身を含む): 41430060

約数和(自身を除く): 19860452

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65761, 131522, 263044, 526088, 2696201, 5392402, 10784804, 21569608]

約数ペア:

[(1, 21569608), (2, 10784804), (4, 5392402), (8, 2696201), (41, 526088), (82, 263044), (164, 131522), (328, 65761)]