21879693

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3203}}^1$

素因数の和:3246

約数の個数: 32

約数和(自身を含む): 36910080

約数和(自身を除く): 15030387

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 3203, 6831, 9609, 28827, 35233, 73669, 86481, 105699, 221007, 317097, 663021, 810359, 951291, 1989063, 2431077, 7293231, 21879693]

約数ペア:

[(1, 21879693), (3, 7293231), (9, 2431077), (11, 1989063), (23, 951291), (27, 810359), (33, 663021), (69, 317097), (99, 221007), (207, 105699), (253, 86481), (297, 73669), (621, 35233), (759, 28827), (2277, 9609), (3203, 6831)]