21016144

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27947}}^1$

素因数の和:28002

約数の個数: 20

約数和(自身を含む): 41586624

約数和(自身を除く): 20570480

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27947, 55894, 111788, 223576, 447152, 1313509, 2627018, 5254036, 10508072, 21016144]

約数ペア:

[(1, 21016144), (2, 10508072), (4, 5254036), (8, 2627018), (16, 1313509), (47, 447152), (94, 223576), (188, 111788), (376, 55894), (752, 27947)]