21242771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2707309

約数列:

[1, 11, 53, 83, 439, 583, 913, 4399, 4829, 23267, 36437, 48389, 255937, 400807, 1931161, 21242771]

約数ペア:

[(1, 21242771), (11, 1931161), (53, 400807), (83, 255937), (439, 48389), (583, 36437), (913, 23267), (4399, 4829)]