2021103

素因数分解:

$3^2\times 7^2\times {\mathrm{4583}}^1$

素因数の和:4603

約数の個数: 18

約数和(自身を含む): 3396744

約数和(自身を除く): 1375641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4583, 13749, 32081, 41247, 96243, 224567, 288729, 673701, 2021103]

約数ペア:

[(1, 2021103), (3, 673701), (7, 288729), (9, 224567), (21, 96243), (49, 41247), (63, 32081), (147, 13749), (441, 4583)]