21175485

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9349}}^1$

素因数の和:9508

約数の個数: 16

約数和(自身を含む): 34108800

約数和(自身を除く): 12933315

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9349, 28047, 46745, 140235, 1411699, 4235097, 7058495, 21175485]

約数ペア:

[(1, 21175485), (3, 7058495), (5, 4235097), (15, 1411699), (151, 140235), (453, 46745), (755, 28047), (2265, 9349)]