21000638868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{159095749}}^1$

素因数の和:159095767

約数の個数: 24

約数和(自身を含む): 53456172000

約数和(自身を除く): 32455533132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 159095749, 318191498, 477287247, 636382996, 954574494, 1750053239, 1909148988, 3500106478, 5250159717, 7000212956, 10500319434, 21000638868]

約数ペア:

[(1, 21000638868), (2, 10500319434), (3, 7000212956), (4, 5250159717), (6, 3500106478), (11, 1909148988), (12, 1750053239), (22, 954574494), (33, 636382996), (44, 477287247), (66, 318191498), (132, 159095749)]