21186832

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32297}}^1$

素因数の和:32346

約数の個数: 20

約数和(自身を含む): 42051996

約数和(自身を除く): 20865164

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32297, 64594, 129188, 258376, 516752, 1324177, 2648354, 5296708, 10593416, 21186832]

約数ペア:

[(1, 21186832), (2, 10593416), (4, 5296708), (8, 2648354), (16, 1324177), (41, 516752), (82, 258376), (164, 129188), (328, 64594), (656, 32297)]