21361659

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4657}}^1$

素因数の和:4810

約数の個数: 16

約数和(自身を含む): 31301760

約数和(自身を除く): 9940101

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4587, 4657, 13971, 51227, 153681, 647323, 1941969, 7120553, 21361659]

約数ペア:

[(1, 21361659), (3, 7120553), (11, 1941969), (33, 647323), (139, 153681), (417, 51227), (1529, 13971), (4587, 4657)]