21350079

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 33359040

約数和(自身を除く): 12008961

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2969, 7191, 8907, 26721, 50473, 139543, 151419, 418629, 454257, 1255887, 2372231, 7116693, 21350079]

約数ペア:

[(1, 21350079), (3, 7116693), (9, 2372231), (17, 1255887), (47, 454257), (51, 418629), (141, 151419), (153, 139543), (423, 50473), (799, 26721), (2397, 8907), (2969, 7191)]