21669812

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 39084360

約数和(自身を除く): 17414548

約数列:

[1, 2, 4, 41, 82, 164, 229, 458, 577, 916, 1154, 2308, 9389, 18778, 23657, 37556, 47314, 94628, 132133, 264266, 528532, 5417453, 10834906, 21669812]

約数ペア:

[(1, 21669812), (2, 10834906), (4, 5417453), (41, 528532), (82, 264266), (164, 132133), (229, 94628), (458, 47314), (577, 37556), (916, 23657), (1154, 18778), (2308, 9389)]