15421035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{20981}}^1$

素因数の和:21003

約数の個数: 24

約数和(自身を含む): 28703376

約数和(自身を除く): 13282341

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 20981, 62943, 104905, 146867, 314715, 440601, 734335, 1028069, 2203005, 3084207, 5140345, 15421035]

約数ペア:

[(1, 15421035), (3, 5140345), (5, 3084207), (7, 2203005), (15, 1028069), (21, 734335), (35, 440601), (49, 314715), (105, 146867), (147, 104905), (245, 62943), (735, 20981)]