21575091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{977}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 30560544

約数和(自身を除く): 8985453

約数列:

[1, 3, 17, 51, 433, 977, 1299, 2931, 7361, 16609, 22083, 49827, 423041, 1269123, 7191697, 21575091]

約数ペア:

[(1, 21575091), (3, 7191697), (17, 1269123), (51, 423041), (433, 49827), (977, 22083), (1299, 16609), (2931, 7361)]