21719481

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27953}}^1$

素因数の和:28000

約数の個数: 16

約数和(自身を含む): 33992064

約数和(自身を除く): 12272583

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 27953, 83859, 195671, 587013, 1034261, 3102783, 7239827, 21719481]

約数ペア:

[(1, 21719481), (3, 7239827), (7, 3102783), (21, 1034261), (37, 587013), (111, 195671), (259, 83859), (777, 27953)]