21299400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11833}}^1$

素因数の和:11855

約数の個数: 72

約数和(自身を含む): 71536530

約数和(自身を除く): 50237130

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11833, 23666, 35499, 47332, 59165, 70998, 94664, 106497, 118330, 141996, 177495, 212994, 236660, 283992, 295825, 354990, 425988, 473320, 532485, 591650, 709980, 851976, 887475, 1064970, 1183300, 1419960, 1774950, 2129940, 2366600, 2662425, 3549900, 4259880, 5324850, 7099800, 10649700, 21299400]

約数ペア:

[(1, 21299400), (2, 10649700), (3, 7099800), (4, 5324850), (5, 4259880), (6, 3549900), (8, 2662425), (9, 2366600), (10, 2129940), (12, 1774950), (15, 1419960), (18, 1183300), (20, 1064970), (24, 887475), (25, 851976), (30, 709980), (36, 591650), (40, 532485), (45, 473320), (50, 425988), (60, 354990), (72, 295825), (75, 283992), (90, 236660), (100, 212994), (120, 177495), (150, 141996), (180, 118330), (200, 106497), (225, 94664), (300, 70998), (360, 59165), (450, 47332), (600, 35499), (900, 23666), (1800, 11833)]