21945795

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63611}}^1$

素因数の和:63642

約数の個数: 16

約数和(自身を含む): 36640512

約数和(自身を除く): 14694717

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 63611, 190833, 318055, 954165, 1463053, 4389159, 7315265, 21945795]

約数ペア:

[(1, 21945795), (3, 7315265), (5, 4389159), (15, 1463053), (23, 954165), (69, 318055), (115, 190833), (345, 63611)]