21000492004

素因数分解:

$2^2\times {\mathrm{369181}}^1\times {\mathrm{14221}}^1$

素因数の和:383406

約数の個数: 12

約数和(自身を含む): 36753544828

約数和(自身を除く): 15753052824

約数列:

[1, 2, 4, 14221, 28442, 56884, 369181, 738362, 1476724, 5250123001, 10500246002, 21000492004]

約数ペア:

[(1, 21000492004), (2, 10500246002), (4, 5250123001), (14221, 1476724), (28442, 738362), (56884, 369181)]