21104624

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10069}}^1$

素因数の和:10208

約数の個数: 20

約数和(自身を含む): 41206440

約数和(自身を除く): 20101816

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10069, 20138, 40276, 80552, 161104, 1319039, 2638078, 5276156, 10552312, 21104624]

約数ペア:

[(1, 21104624), (2, 10552312), (4, 5276156), (8, 2638078), (16, 1319039), (131, 161104), (262, 80552), (524, 40276), (1048, 20138), (2096, 10069)]