21429746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7703}}^1$

素因数の和:7825

約数の個数: 16

約数和(自身を含む): 34945344

約数和(自身を除く): 13515598

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7703, 15406, 100139, 200278, 824221, 1648442, 10714873, 21429746]

約数ペア:

[(1, 21429746), (2, 10714873), (13, 1648442), (26, 824221), (107, 200278), (214, 100139), (1391, 15406), (2782, 7703)]