21339774

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2347

約数の個数: 48

約数和(自身を含む): 50494080

約数和(自身を除く): 29154306

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2311, 3078, 4617, 4622, 6933, 9234, 13866, 20799, 41598, 43909, 62397, 87818, 124794, 131727, 187191, 263454, 374382, 395181, 561573, 790362, 1123146, 1185543, 2371086, 3556629, 7113258, 10669887, 21339774]

約数ペア:

[(1, 21339774), (2, 10669887), (3, 7113258), (6, 3556629), (9, 2371086), (18, 1185543), (19, 1123146), (27, 790362), (38, 561573), (54, 395181), (57, 374382), (81, 263454), (114, 187191), (162, 131727), (171, 124794), (243, 87818), (342, 62397), (486, 43909), (513, 41598), (1026, 20799), (1539, 13866), (2311, 9234), (3078, 6933), (4617, 4622)]