21807438

素因数分解:

$2^1\times 3^1\times {\mathrm{307}}^1\times {\mathrm{11839}}^1$

素因数の和:12151

約数の個数: 16

約数和(自身を含む): 43760640

約数和(自身を除く): 21953202

約数列:

[1, 2, 3, 6, 307, 614, 921, 1842, 11839, 23678, 35517, 71034, 3634573, 7269146, 10903719, 21807438]

約数ペア:

[(1, 21807438), (2, 10903719), (3, 7269146), (6, 3634573), (307, 71034), (614, 35517), (921, 23678), (1842, 11839)]