21515432

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44089}}^1$

素因数の和:44156

約数の個数: 16

約数和(自身を含む): 41003700

約数和(自身を除く): 19488268

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44089, 88178, 176356, 352712, 2689429, 5378858, 10757716, 21515432]

約数ペア:

[(1, 21515432), (2, 10757716), (4, 5378858), (8, 2689429), (61, 352712), (122, 176356), (244, 88178), (488, 44089)]