21999922

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7741}}^1$

素因数の和:7786

約数の個数: 24

約数和(自身を含む): 39716460

約数和(自身を除く): 17716538

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7741, 15482, 54187, 108374, 224489, 379309, 448978, 758618, 1571423, 3142846, 10999961, 21999922]

約数ペア:

[(1, 21999922), (2, 10999961), (7, 3142846), (14, 1571423), (29, 758618), (49, 448978), (58, 379309), (98, 224489), (203, 108374), (406, 54187), (1421, 15482), (2842, 7741)]