20211494891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{184649}}^1$

素因数の和:185498

約数の個数: 16

約数和(自身を含む): 24344256000

約数和(自身を除く): 4132761109

約数列:

[1, 7, 19, 133, 823, 5761, 15637, 109459, 184649, 1292543, 3508331, 24558317, 151966127, 1063762889, 2887356413, 20211494891]

約数ペア:

[(1, 20211494891), (7, 2887356413), (19, 1063762889), (133, 151966127), (823, 24558317), (5761, 3508331), (15637, 1292543), (109459, 184649)]