21931480

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{9293}}^1$

素因数の和:9363

約数の個数: 32

約数和(自身を含む): 50187600

約数和(自身を除く): 28256120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 9293, 18586, 37172, 46465, 74344, 92930, 185860, 371720, 548287, 1096574, 2193148, 2741435, 4386296, 5482870, 10965740, 21931480]

約数ペア:

[(1, 21931480), (2, 10965740), (4, 5482870), (5, 4386296), (8, 2741435), (10, 2193148), (20, 1096574), (40, 548287), (59, 371720), (118, 185860), (236, 92930), (295, 74344), (472, 46465), (590, 37172), (1180, 18586), (2360, 9293)]