21483720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 49277880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 719, 747, 830, 996, 1245, 1438, 1494, 1660, 1992, 2157, 2490, 2876, 2988, 3320, 3595, 3735, 4314, 4980, 5752, 5976, 6471, 7190, 7470, 8628, 9960, 10785, 12942, 14380, 14940, 17256, 21570, 25884, 28760, 29880, 32355, 43140, 51768, 59677, 64710, 86280, 119354, 129420, 179031, 238708, 258840, 298385, 358062, 477416, 537093, 596770, 716124, 895155, 1074186, 1193540, 1432248, 1790310, 2148372, 2387080, 2685465, 3580620, 4296744, 5370930, 7161240, 10741860, 21483720]

約数ペア:

[(1, 21483720), (2, 10741860), (3, 7161240), (4, 5370930), (5, 4296744), (6, 3580620), (8, 2685465), (9, 2387080), (10, 2148372), (12, 1790310), (15, 1432248), (18, 1193540), (20, 1074186), (24, 895155), (30, 716124), (36, 596770), (40, 537093), (45, 477416), (60, 358062), (72, 298385), (83, 258840), (90, 238708), (120, 179031), (166, 129420), (180, 119354), (249, 86280), (332, 64710), (360, 59677), (415, 51768), (498, 43140), (664, 32355), (719, 29880), (747, 28760), (830, 25884), (996, 21570), (1245, 17256), (1438, 14940), (1494, 14380), (1660, 12942), (1992, 10785), (2157, 9960), (2490, 8628), (2876, 7470), (2988, 7190), (3320, 6471), (3595, 5976), (3735, 5752), (4314, 4980)]