21202328

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19927}}^1$

素因数の和:19959

約数の個数: 32

約数和(自身を含む): 47827200

約数和(自身を除く): 26624872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19927, 39854, 79708, 139489, 159416, 278978, 378613, 557956, 757226, 1115912, 1514452, 2650291, 3028904, 5300582, 10601164, 21202328]

約数ペア:

[(1, 21202328), (2, 10601164), (4, 5300582), (7, 3028904), (8, 2650291), (14, 1514452), (19, 1115912), (28, 757226), (38, 557956), (56, 378613), (76, 278978), (133, 159416), (152, 139489), (266, 79708), (532, 39854), (1064, 19927)]