21231545

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 26224128

約数和(自身を除く): 4992583

約数列:

[1, 5, 47, 167, 235, 541, 835, 2705, 7849, 25427, 39245, 90347, 127135, 451735, 4246309, 21231545]

約数ペア:

[(1, 21231545), (5, 4246309), (47, 451735), (167, 127135), (235, 90347), (541, 39245), (835, 25427), (2705, 7849)]