21542288

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36389}}^1$

素因数の和:36434

約数の個数: 20

約数和(自身を含む): 42867420

約数和(自身を除く): 21325132

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36389, 72778, 145556, 291112, 582224, 1346393, 2692786, 5385572, 10771144, 21542288]

約数ペア:

[(1, 21542288), (2, 10771144), (4, 5385572), (8, 2692786), (16, 1346393), (37, 582224), (74, 291112), (148, 145556), (296, 72778), (592, 36389)]