21001498

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11279}}^1$

素因数の和:11314

約数の個数: 24

約数和(自身を含む): 38577600

約数和(自身を除く): 17576102

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11279, 22558, 78953, 157906, 214301, 428602, 552671, 1105342, 1500107, 3000214, 10500749, 21001498]

約数ペア:

[(1, 21001498), (2, 10500749), (7, 3000214), (14, 1500107), (19, 1105342), (38, 552671), (49, 428602), (98, 214301), (133, 157906), (266, 78953), (931, 22558), (1862, 11279)]