21194418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17401}}^1$

素因数の和:17442

約数の個数: 32

約数和(自身を含む): 50117760

約数和(自身を除く): 28923342

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17401, 34802, 52203, 104406, 121807, 243614, 365421, 504629, 730842, 1009258, 1513887, 3027774, 3532403, 7064806, 10597209, 21194418]

約数ペア:

[(1, 21194418), (2, 10597209), (3, 7064806), (6, 3532403), (7, 3027774), (14, 1513887), (21, 1009258), (29, 730842), (42, 504629), (58, 365421), (87, 243614), (174, 121807), (203, 104406), (406, 52203), (609, 34802), (1218, 17401)]