21711613

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{617}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 27172224

約数和(自身を除く): 5460611

約数列:

[1, 7, 11, 77, 457, 617, 3199, 4319, 5027, 6787, 35189, 47509, 281969, 1973783, 3101659, 21711613]

約数ペア:

[(1, 21711613), (7, 3101659), (11, 1973783), (77, 281969), (457, 47509), (617, 35189), (3199, 6787), (4319, 5027)]