21789603

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 34734960

約数和(自身を除く): 12945357

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2473, 2937, 7419, 8811, 22257, 27203, 81609, 220097, 244827, 660291, 1980873, 2421067, 7263201, 21789603]

約数ペア:

[(1, 21789603), (3, 7263201), (9, 2421067), (11, 1980873), (33, 660291), (89, 244827), (99, 220097), (267, 81609), (801, 27203), (979, 22257), (2473, 8811), (2937, 7419)]