21769821

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 32200896

約数和(自身を除く): 10431075

約数列:

[1, 3, 9, 83, 151, 193, 249, 453, 579, 747, 1359, 1737, 12533, 16019, 29143, 37599, 48057, 87429, 112797, 144171, 262287, 2418869, 7256607, 21769821]

約数ペア:

[(1, 21769821), (3, 7256607), (9, 2418869), (83, 262287), (151, 144171), (193, 112797), (249, 87429), (453, 48057), (579, 37599), (747, 29143), (1359, 16019), (1737, 12533)]