21896528

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1259}}^1$

素因数の和:2354

約数の個数: 20

約数和(自身を含む): 42497280

約数和(自身を除く): 20600752

約数列:

[1, 2, 4, 8, 16, 1087, 1259, 2174, 2518, 4348, 5036, 8696, 10072, 17392, 20144, 1368533, 2737066, 5474132, 10948264, 21896528]

約数ペア:

[(1, 21896528), (2, 10948264), (4, 5474132), (8, 2737066), (16, 1368533), (1087, 20144), (1259, 17392), (2174, 10072), (2518, 8696), (4348, 5036)]