21075417

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6451}}^1$

素因数の和:6482

約数の個数: 24

約数和(自身を含む): 34324640

約数和(自身を除く): 13249223

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6451, 19353, 58059, 70961, 174177, 212883, 638649, 780571, 1915947, 2341713, 7025139, 21075417]

約数ペア:

[(1, 21075417), (3, 7025139), (9, 2341713), (11, 1915947), (27, 780571), (33, 638649), (99, 212883), (121, 174177), (297, 70961), (363, 58059), (1089, 19353), (3267, 6451)]