21852016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33311}}^1$

素因数の和:33360

約数の個数: 20

約数和(自身を含む): 43372224

約数和(自身を除く): 21520208

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33311, 66622, 133244, 266488, 532976, 1365751, 2731502, 5463004, 10926008, 21852016]

約数ペア:

[(1, 21852016), (2, 10926008), (4, 5463004), (8, 2731502), (16, 1365751), (41, 532976), (82, 266488), (164, 133244), (328, 66622), (656, 33311)]