21546608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70877}}^1$

素因数の和:70904

約数の個数: 20

約数和(自身を含む): 43944360

約数和(自身を除く): 22397752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70877, 141754, 283508, 567016, 1134032, 1346663, 2693326, 5386652, 10773304, 21546608]

約数ペア:

[(1, 21546608), (2, 10773304), (4, 5386652), (8, 2693326), (16, 1346663), (19, 1134032), (38, 567016), (76, 283508), (152, 141754), (304, 70877)]