21800684

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 39299568

約数和(自身を除く): 17498884

約数列:

[1, 2, 4, 41, 82, 164, 307, 433, 614, 866, 1228, 1732, 12587, 17753, 25174, 35506, 50348, 71012, 132931, 265862, 531724, 5450171, 10900342, 21800684]

約数ペア:

[(1, 21800684), (2, 10900342), (4, 5450171), (41, 531724), (82, 265862), (164, 132931), (307, 71012), (433, 50348), (614, 35506), (866, 25174), (1228, 17753), (1732, 12587)]