21310035

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 13913517

約数列:

[1, 3, 5, 15, 47, 141, 167, 181, 235, 501, 543, 705, 835, 905, 2505, 2715, 7849, 8507, 23547, 25521, 30227, 39245, 42535, 90681, 117735, 127605, 151135, 453405, 1420669, 4262007, 7103345, 21310035]

約数ペア:

[(1, 21310035), (3, 7103345), (5, 4262007), (15, 1420669), (47, 453405), (141, 151135), (167, 127605), (181, 117735), (235, 90681), (501, 42535), (543, 39245), (705, 30227), (835, 25521), (905, 23547), (2505, 8507), (2715, 7849)]