21847500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 90

約数和(自身を含む): 69081012

約数和(自身を除く): 47233512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 971, 1125, 1250, 1500, 1875, 1942, 2250, 2500, 2913, 3750, 3884, 4500, 4855, 5625, 5826, 7500, 8739, 9710, 11250, 11652, 14565, 17478, 19420, 22500, 24275, 29130, 34956, 43695, 48550, 58260, 72825, 87390, 97100, 121375, 145650, 174780, 218475, 242750, 291300, 364125, 436950, 485500, 606875, 728250, 873900, 1092375, 1213750, 1456500, 1820625, 2184750, 2427500, 3641250, 4369500, 5461875, 7282500, 10923750, 21847500]

約数ペア:

[(1, 21847500), (2, 10923750), (3, 7282500), (4, 5461875), (5, 4369500), (6, 3641250), (9, 2427500), (10, 2184750), (12, 1820625), (15, 1456500), (18, 1213750), (20, 1092375), (25, 873900), (30, 728250), (36, 606875), (45, 485500), (50, 436950), (60, 364125), (75, 291300), (90, 242750), (100, 218475), (125, 174780), (150, 145650), (180, 121375), (225, 97100), (250, 87390), (300, 72825), (375, 58260), (450, 48550), (500, 43695), (625, 34956), (750, 29130), (900, 24275), (971, 22500), (1125, 19420), (1250, 17478), (1500, 14565), (1875, 11652), (1942, 11250), (2250, 9710), (2500, 8739), (2913, 7500), (3750, 5826), (3884, 5625), (4500, 4855)]