21795258

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 46609344

約数和(自身を除く): 24814086

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 107, 214, 321, 642, 1819, 1997, 3638, 3994, 5457, 5991, 10914, 11982, 33949, 67898, 101847, 203694, 213679, 427358, 641037, 1282074, 3632543, 7265086, 10897629, 21795258]

約数ペア:

[(1, 21795258), (2, 10897629), (3, 7265086), (6, 3632543), (17, 1282074), (34, 641037), (51, 427358), (102, 213679), (107, 203694), (214, 101847), (321, 67898), (642, 33949), (1819, 11982), (1997, 10914), (3638, 5991), (3994, 5457)]