21170055

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14495865

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 795, 859, 1643, 2577, 4295, 4929, 8215, 12885, 24645, 26629, 45527, 79887, 133145, 136581, 227635, 399435, 682905, 1411337, 4234011, 7056685, 21170055]

約数ペア:

[(1, 21170055), (3, 7056685), (5, 4234011), (15, 1411337), (31, 682905), (53, 399435), (93, 227635), (155, 136581), (159, 133145), (265, 79887), (465, 45527), (795, 26629), (859, 24645), (1643, 12885), (2577, 8215), (4295, 4929)]