21548104

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50821}}^1$

素因数の和:50880

約数の個数: 16

約数和(自身を含む): 41165820

約数和(自身を除く): 19617716

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50821, 101642, 203284, 406568, 2693513, 5387026, 10774052, 21548104]

約数ペア:

[(1, 21548104), (2, 10774052), (4, 5387026), (8, 2693513), (53, 406568), (106, 203284), (212, 101642), (424, 50821)]