21816806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2473}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 35803728

約数和(自身を除く): 13986922

約数列:

[1, 2, 11, 22, 401, 802, 2473, 4411, 4946, 8822, 27203, 54406, 991673, 1983346, 10908403, 21816806]

約数ペア:

[(1, 21816806), (2, 10908403), (11, 1983346), (22, 991673), (401, 54406), (802, 27203), (2473, 8822), (4411, 4946)]