21941451

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5903}}^1$

素因数の和:5975

約数の個数: 24

約数和(自身を含む): 36840960

約数和(自身を除く): 14899509

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5903, 17709, 41321, 53127, 123963, 348277, 371889, 1044831, 2437939, 3134493, 7313817, 21941451]

約数ペア:

[(1, 21941451), (3, 7313817), (7, 3134493), (9, 2437939), (21, 1044831), (59, 371889), (63, 348277), (177, 123963), (413, 53127), (531, 41321), (1239, 17709), (3717, 5903)]