21014576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 44788800

約数和(自身を除く): 23774224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 859, 1112, 1529, 1718, 2224, 3058, 3436, 6116, 6872, 9449, 12232, 13744, 18898, 24464, 37796, 75592, 119401, 151184, 238802, 477604, 955208, 1313411, 1910416, 2626822, 5253644, 10507288, 21014576]

約数ペア:

[(1, 21014576), (2, 10507288), (4, 5253644), (8, 2626822), (11, 1910416), (16, 1313411), (22, 955208), (44, 477604), (88, 238802), (139, 151184), (176, 119401), (278, 75592), (556, 37796), (859, 24464), (1112, 18898), (1529, 13744), (1718, 12232), (2224, 9449), (3058, 6872), (3436, 6116)]