21590346239

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21617}}^1$

素因数の和:21768

約数の個数: 48

約数和(自身を含む): 29277689760

約数和(自身を除く): 7687343521

約数列:

[1, 7, 11, 17, 49, 77, 109, 119, 187, 539, 763, 833, 1199, 1309, 1853, 5341, 8393, 9163, 12971, 20383, 21617, 58751, 90797, 142681, 151319, 237787, 367489, 998767, 1059233, 1664509, 2356253, 2572423, 4042379, 11651563, 16493771, 18006961, 25918783, 28296653, 40056301, 115456397, 181431481, 198076571, 280394107, 440619311, 1270020367, 1962758749, 3084335177, 21590346239]

約数ペア:

[(1, 21590346239), (7, 3084335177), (11, 1962758749), (17, 1270020367), (49, 440619311), (77, 280394107), (109, 198076571), (119, 181431481), (187, 115456397), (539, 40056301), (763, 28296653), (833, 25918783), (1199, 18006961), (1309, 16493771), (1853, 11651563), (5341, 4042379), (8393, 2572423), (9163, 2356253), (12971, 1664509), (20383, 1059233), (21617, 998767), (58751, 367489), (90797, 237787), (142681, 151319)]