21157365

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9341}}^1$

素因数の和:9500

約数の個数: 16

約数和(自身を含む): 34079616

約数和(自身を除く): 12922251

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9341, 28023, 46705, 140115, 1410491, 4231473, 7052455, 21157365]

約数ペア:

[(1, 21157365), (3, 7052455), (5, 4231473), (15, 1410491), (151, 140115), (453, 46705), (755, 28023), (2265, 9341)]