21828430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167911}}^1$

素因数の和:167931

約数の個数: 16

約数和(自身を含む): 42313824

約数和(自身を除く): 20485394

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167911, 335822, 839555, 1679110, 2182843, 4365686, 10914215, 21828430]

約数ペア:

[(1, 21828430), (2, 10914215), (5, 4365686), (10, 2182843), (13, 1679110), (26, 839555), (65, 335822), (130, 167911)]