21013432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238789}}^1$

素因数の和:238806

約数の個数: 16

約数和(自身を含む): 42982200

約数和(自身を除く): 21968768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238789, 477578, 955156, 1910312, 2626679, 5253358, 10506716, 21013432]

約数ペア:

[(1, 21013432), (2, 10506716), (4, 5253358), (8, 2626679), (11, 1910312), (22, 955156), (44, 477578), (88, 238789)]