21630861

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 15244659

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 593, 1351, 1737, 1779, 4053, 4151, 5211, 5337, 12159, 12453, 16011, 36477, 37359, 112077, 114449, 343347, 801143, 1030041, 2403429, 3090123, 7210287, 21630861]

約数ペア:

[(1, 21630861), (3, 7210287), (7, 3090123), (9, 2403429), (21, 1030041), (27, 801143), (63, 343347), (189, 114449), (193, 112077), (579, 37359), (593, 36477), (1351, 16011), (1737, 12453), (1779, 12159), (4053, 5337), (4151, 5211)]