21025365

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{499}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 34356000

約数和(自身を除く): 13330635

約数列:

[1, 3, 5, 15, 53, 159, 265, 499, 795, 1497, 2495, 2809, 7485, 8427, 14045, 26447, 42135, 79341, 132235, 396705, 1401691, 4205073, 7008455, 21025365]

約数ペア:

[(1, 21025365), (3, 7008455), (5, 4205073), (15, 1401691), (53, 396705), (159, 132235), (265, 79341), (499, 42135), (795, 26447), (1497, 14045), (2495, 8427), (2809, 7485)]