21353144

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72139}}^1$

素因数の和:72182

約数の個数: 16

約数和(自身を含む): 41119800

約数和(自身を除く): 19766656

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72139, 144278, 288556, 577112, 2669143, 5338286, 10676572, 21353144]

約数ペア:

[(1, 21353144), (2, 10676572), (4, 5338286), (8, 2669143), (37, 577112), (74, 288556), (148, 144278), (296, 72139)]