21529766

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{2011}}^1$

素因数の和:2167

約数の個数: 16

約数和(自身を含む): 33246288

約数和(自身を除く): 11716522

約数列:

[1, 2, 53, 101, 106, 202, 2011, 4022, 5353, 10706, 106583, 203111, 213166, 406222, 10764883, 21529766]

約数ペア:

[(1, 21529766), (2, 10764883), (53, 406222), (101, 213166), (106, 203111), (202, 106583), (2011, 10706), (4022, 5353)]