21395946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2267}}^1$

素因数の和:2307

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 29280246

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 2267, 3146, 4534, 4719, 6801, 9438, 13602, 24937, 29471, 49874, 58942, 74811, 88413, 149622, 176826, 274307, 324181, 548614, 648362, 822921, 972543, 1645842, 1945086, 3565991, 7131982, 10697973, 21395946]

約数ペア:

[(1, 21395946), (2, 10697973), (3, 7131982), (6, 3565991), (11, 1945086), (13, 1645842), (22, 972543), (26, 822921), (33, 648362), (39, 548614), (66, 324181), (78, 274307), (121, 176826), (143, 149622), (242, 88413), (286, 74811), (363, 58942), (429, 49874), (726, 29471), (858, 24937), (1573, 13602), (2267, 9438), (3146, 6801), (4534, 4719)]