21282224

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{3947}}^1$

素因数の和:4292

約数の個数: 20

約数和(自身を含む): 41367144

約数和(自身を除く): 20084920

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 3947, 5392, 7894, 15788, 31576, 63152, 1330139, 2660278, 5320556, 10641112, 21282224]

約数ペア:

[(1, 21282224), (2, 10641112), (4, 5320556), (8, 2660278), (16, 1330139), (337, 63152), (674, 31576), (1348, 15788), (2696, 7894), (3947, 5392)]