21964455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16831}}^1$

素因数の和:16871

約数の個数: 24

約数和(自身を含む): 39386880

約数和(自身を除く): 17422425

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 16831, 50493, 84155, 151479, 252465, 488099, 757395, 1464297, 2440495, 4392891, 7321485, 21964455]

約数ペア:

[(1, 21964455), (3, 7321485), (5, 4392891), (9, 2440495), (15, 1464297), (29, 757395), (45, 488099), (87, 252465), (145, 151479), (261, 84155), (435, 50493), (1305, 16831)]