21459322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 14782598

約数列:

[1, 2, 19, 23, 38, 43, 46, 86, 437, 571, 817, 874, 989, 1142, 1634, 1978, 10849, 13133, 18791, 21698, 24553, 26266, 37582, 49106, 249527, 466507, 499054, 564719, 933014, 1129438, 10729661, 21459322]

約数ペア:

[(1, 21459322), (2, 10729661), (19, 1129438), (23, 933014), (38, 564719), (43, 499054), (46, 466507), (86, 249527), (437, 49106), (571, 37582), (817, 26266), (874, 24553), (989, 21698), (1142, 18791), (1634, 13133), (1978, 10849)]