21142132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{480503}}^1$

素因数の和:480518

約数の個数: 12

約数和(自身を含む): 40362336

約数和(自身を除く): 19220204

約数列:

[1, 2, 4, 11, 22, 44, 480503, 961006, 1922012, 5285533, 10571066, 21142132]

約数ペア:

[(1, 21142132), (2, 10571066), (4, 5285533), (11, 1922012), (22, 961006), (44, 480503)]