21167994805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{17117}}^1\times {\mathrm{14549}}^1$

素因数の和:31688

約数の個数: 16

約数和(自身を含む): 26899225200

約数和(自身を除く): 5731230395

約数列:

[1, 5, 17, 85, 14549, 17117, 72745, 85585, 247333, 290989, 1236665, 1454945, 249035233, 1245176165, 4233598961, 21167994805]

約数ペア:

[(1, 21167994805), (5, 4233598961), (17, 1245176165), (85, 249035233), (14549, 1454945), (17117, 1236665), (72745, 290989), (85585, 247333)]