21092535

素因数分解:

$3^3\times 5^1\times {\mathrm{156241}}^1$

素因数の和:156255

約数の個数: 16

約数和(自身を含む): 37498080

約数和(自身を除く): 16405545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 156241, 468723, 781205, 1406169, 2343615, 4218507, 7030845, 21092535]

約数ペア:

[(1, 21092535), (3, 7030845), (5, 4218507), (9, 2343615), (15, 1406169), (27, 781205), (45, 468723), (135, 156241)]