21014149131

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{8111}}^1$

素因数の和:8384

約数の個数: 48

約数和(自身を含む): 32480448000

約数和(自身を除く): 11466298869

約数列:

[1, 3, 9, 19, 57, 109, 139, 171, 327, 417, 981, 1251, 2071, 2641, 6213, 7923, 8111, 15151, 18639, 23769, 24333, 45453, 72999, 136359, 154109, 287869, 462327, 863607, 884099, 1127429, 1386981, 2590821, 2652297, 3382287, 7956891, 10146861, 16797881, 21421151, 50393643, 64263453, 122889761, 151180929, 192790359, 368669283, 1106007849, 2334905459, 7004716377, 21014149131]

約数ペア:

[(1, 21014149131), (3, 7004716377), (9, 2334905459), (19, 1106007849), (57, 368669283), (109, 192790359), (139, 151180929), (171, 122889761), (327, 64263453), (417, 50393643), (981, 21421151), (1251, 16797881), (2071, 10146861), (2641, 7956891), (6213, 3382287), (7923, 2652297), (8111, 2590821), (15151, 1386981), (18639, 1127429), (23769, 884099), (24333, 863607), (45453, 462327), (72999, 287869), (136359, 154109)]