21355035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 37208640

約数和(自身を除く): 15853605

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1129, 1261, 1455, 3387, 3783, 5645, 6305, 14677, 16935, 18915, 44031, 73385, 109513, 220155, 328539, 547565, 1423669, 1642695, 4271007, 7118345, 21355035]

約数ペア:

[(1, 21355035), (3, 7118345), (5, 4271007), (13, 1642695), (15, 1423669), (39, 547565), (65, 328539), (97, 220155), (195, 109513), (291, 73385), (485, 44031), (1129, 18915), (1261, 16935), (1455, 14677), (3387, 6305), (3783, 5645)]