21028624

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57143}}^1$

素因数の和:57174

約数の個数: 20

約数和(自身を含む): 42515136

約数和(自身を除く): 21486512

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57143, 114286, 228572, 457144, 914288, 1314289, 2628578, 5257156, 10514312, 21028624]

約数ペア:

[(1, 21028624), (2, 10514312), (4, 5257156), (8, 2628578), (16, 1314289), (23, 914288), (46, 457144), (92, 228572), (184, 114286), (368, 57143)]