21022605

素因数分解:

$3^3\times 5^1\times {\mathrm{155723}}^1$

素因数の和:155737

約数の個数: 16

約数和(自身を含む): 37373760

約数和(自身を除く): 16351155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155723, 467169, 778615, 1401507, 2335845, 4204521, 7007535, 21022605]

約数ペア:

[(1, 21022605), (3, 7007535), (5, 4204521), (9, 2335845), (15, 1401507), (27, 778615), (45, 467169), (135, 155723)]