21578992

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36451}}^1$

素因数の和:36496

約数の個数: 20

約数和(自身を含む): 42940456

約数和(自身を除く): 21361464

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36451, 72902, 145804, 291608, 583216, 1348687, 2697374, 5394748, 10789496, 21578992]

約数ペア:

[(1, 21578992), (2, 10789496), (4, 5394748), (8, 2697374), (16, 1348687), (37, 583216), (74, 291608), (148, 145804), (296, 72902), (592, 36451)]