21796554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279443}}^1$

素因数の和:279461

約数の個数: 16

約数和(自身を含む): 46946592

約数和(自身を除く): 25150038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279443, 558886, 838329, 1676658, 3632759, 7265518, 10898277, 21796554]

約数ペア:

[(1, 21796554), (2, 10898277), (3, 7265518), (6, 3632759), (13, 1676658), (26, 838329), (39, 558886), (78, 279443)]