21029032

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18911}}^1$

素因数の和:19056

約数の個数: 16

約数和(自身を含む): 39715200

約数和(自身を除く): 18686168

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18911, 37822, 75644, 151288, 2628629, 5257258, 10514516, 21029032]

約数ペア:

[(1, 21029032), (2, 10514516), (4, 5257258), (8, 2628629), (139, 151288), (278, 75644), (556, 37822), (1112, 18911)]