21229224387

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{20959}}^1$

素因数の和:21455

約数の個数: 32

約数和(自身を含む): 32677478400

約数和(自身を除く): 11448254013

約数列:

[1, 3, 7, 21, 139, 347, 417, 973, 1041, 2429, 2919, 7287, 20959, 48233, 62877, 144699, 146713, 337631, 440139, 1012893, 2913301, 7272773, 8739903, 20393107, 21818319, 50909411, 61179321, 152728233, 1010915447, 3032746341, 7076408129, 21229224387]

約数ペア:

[(1, 21229224387), (3, 7076408129), (7, 3032746341), (21, 1010915447), (139, 152728233), (347, 61179321), (417, 50909411), (973, 21818319), (1041, 20393107), (2429, 8739903), (2919, 7272773), (7287, 2913301), (20959, 1012893), (48233, 440139), (62877, 337631), (144699, 146713)]