21261600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2953}}^1$

素因数の和:2979

約数の個数: 108

約数和(自身を含む): 74999106

約数和(自身を除く): 53737506

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2953, 3600, 5906, 7200, 8859, 11812, 14765, 17718, 23624, 26577, 29530, 35436, 44295, 47248, 53154, 59060, 70872, 73825, 88590, 94496, 106308, 118120, 132885, 141744, 147650, 177180, 212616, 221475, 236240, 265770, 283488, 295300, 354360, 425232, 442950, 472480, 531540, 590600, 664425, 708720, 850464, 885900, 1063080, 1181200, 1328850, 1417440, 1771800, 2126160, 2362400, 2657700, 3543600, 4252320, 5315400, 7087200, 10630800, 21261600]

約数ペア:

[(1, 21261600), (2, 10630800), (3, 7087200), (4, 5315400), (5, 4252320), (6, 3543600), (8, 2657700), (9, 2362400), (10, 2126160), (12, 1771800), (15, 1417440), (16, 1328850), (18, 1181200), (20, 1063080), (24, 885900), (25, 850464), (30, 708720), (32, 664425), (36, 590600), (40, 531540), (45, 472480), (48, 442950), (50, 425232), (60, 354360), (72, 295300), (75, 283488), (80, 265770), (90, 236240), (96, 221475), (100, 212616), (120, 177180), (144, 147650), (150, 141744), (160, 132885), (180, 118120), (200, 106308), (225, 94496), (240, 88590), (288, 73825), (300, 70872), (360, 59060), (400, 53154), (450, 47248), (480, 44295), (600, 35436), (720, 29530), (800, 26577), (900, 23624), (1200, 17718), (1440, 14765), (1800, 11812), (2400, 8859), (2953, 7200), (3600, 5906)]