21705104

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2213}}^1$

素因数の和:2834

約数の個数: 20

約数和(自身を含む): 42141276

約数和(自身を除く): 20436172

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2213, 2452, 4426, 4904, 8852, 9808, 17704, 35408, 1356569, 2713138, 5426276, 10852552, 21705104]

約数ペア:

[(1, 21705104), (2, 10852552), (4, 5426276), (8, 2713138), (16, 1356569), (613, 35408), (1226, 17704), (2213, 9808), (2452, 8852), (4426, 4904)]