21042603

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 32307600

約数和(自身を除く): 11264997

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2179, 3219, 6537, 9657, 19611, 63191, 80623, 189573, 241869, 568719, 725607, 2338067, 7014201, 21042603]

約数ペア:

[(1, 21042603), (3, 7014201), (9, 2338067), (29, 725607), (37, 568719), (87, 241869), (111, 189573), (261, 80623), (333, 63191), (1073, 19611), (2179, 9657), (3219, 6537)]