21107368

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 19522232

約数列:

[1, 2, 4, 8, 59, 118, 197, 227, 236, 394, 454, 472, 788, 908, 1576, 1816, 11623, 13393, 23246, 26786, 44719, 46492, 53572, 89438, 92984, 107144, 178876, 357752, 2638421, 5276842, 10553684, 21107368]

約数ペア:

[(1, 21107368), (2, 10553684), (4, 5276842), (8, 2638421), (59, 357752), (118, 178876), (197, 107144), (227, 92984), (236, 89438), (394, 53572), (454, 46492), (472, 44719), (788, 26786), (908, 23246), (1576, 13393), (1816, 11623)]