21054424

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12473}}^1$

素因数の和:12690

約数の個数: 16

約数和(自身を含む): 39667320

約数和(自身を除く): 18612896

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12473, 24946, 49892, 99784, 2631803, 5263606, 10527212, 21054424]

約数ペア:

[(1, 21054424), (2, 10527212), (4, 5263606), (8, 2631803), (211, 99784), (422, 49892), (844, 24946), (1688, 12473)]