21986288

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{37139}}^1$

素因数の和:37184

約数の個数: 20

約数和(自身を含む): 43750920

約数和(自身を除く): 21764632

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 37139, 74278, 148556, 297112, 594224, 1374143, 2748286, 5496572, 10993144, 21986288]

約数ペア:

[(1, 21986288), (2, 10993144), (4, 5496572), (8, 2748286), (16, 1374143), (37, 594224), (74, 297112), (148, 148556), (296, 74278), (592, 37139)]