21701082

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278219}}^1$

素因数の和:278237

約数の個数: 16

約数和(自身を含む): 46740960

約数和(自身を除く): 25039878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278219, 556438, 834657, 1669314, 3616847, 7233694, 10850541, 21701082]

約数ペア:

[(1, 21701082), (2, 10850541), (3, 7233694), (6, 3616847), (13, 1669314), (26, 834657), (39, 556438), (78, 278219)]