21937635

素因数分解:

$3^4\times 5^1\times {\mathrm{54167}}^1$

素因数の和:54184

約数の個数: 20

約数和(自身を含む): 39325968

約数和(自身を除く): 17388333

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 54167, 162501, 270835, 487503, 812505, 1462509, 2437515, 4387527, 7312545, 21937635]

約数ペア:

[(1, 21937635), (3, 7312545), (5, 4387527), (9, 2437515), (15, 1462509), (27, 812505), (45, 487503), (81, 270835), (135, 162501), (405, 54167)]