21528345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{62401}}^1$

素因数の和:62432

約数の個数: 16

約数和(自身を含む): 35943552

約数和(自身を除く): 14415207

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 62401, 187203, 312005, 936015, 1435223, 4305669, 7176115, 21528345]

約数ペア:

[(1, 21528345), (3, 7176115), (5, 4305669), (15, 1435223), (23, 936015), (69, 312005), (115, 187203), (345, 62401)]