21167061

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 9688107

約数列:

[1, 3, 23, 47, 61, 69, 107, 141, 183, 321, 1081, 1403, 2461, 2867, 3243, 4209, 5029, 6527, 7383, 8601, 15087, 19581, 65941, 115667, 150121, 197823, 306769, 347001, 450363, 920307, 7055687, 21167061]

約数ペア:

[(1, 21167061), (3, 7055687), (23, 920307), (47, 450363), (61, 347001), (69, 306769), (107, 197823), (141, 150121), (183, 115667), (321, 65941), (1081, 19581), (1403, 15087), (2461, 8601), (2867, 7383), (3243, 6527), (4209, 5029)]