21074716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 21148388

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 67, 92, 134, 263, 268, 299, 526, 598, 871, 1052, 1196, 1541, 1742, 3082, 3419, 3484, 6049, 6164, 6838, 12098, 13676, 17621, 20033, 24196, 35242, 40066, 70484, 78637, 80132, 157274, 229073, 314548, 405283, 458146, 810566, 916292, 1621132, 5268679, 10537358, 21074716]

約数ペア:

[(1, 21074716), (2, 10537358), (4, 5268679), (13, 1621132), (23, 916292), (26, 810566), (46, 458146), (52, 405283), (67, 314548), (92, 229073), (134, 157274), (263, 80132), (268, 78637), (299, 70484), (526, 40066), (598, 35242), (871, 24196), (1052, 20033), (1196, 17621), (1541, 13676), (1742, 12098), (3082, 6838), (3419, 6164), (3484, 6049)]