21353400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11863}}^1$

素因数の和:11885

約数の個数: 72

約数和(自身を含む): 71717880

約数和(自身を除く): 50364480

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, 11863, 23726, 35589, 47452, 59315, 71178, 94904, 106767, 118630, 142356, 177945, 213534, 237260, 284712, 296575, 355890, 427068, 474520, 533835, 593150, 711780, 854136, 889725, 1067670, 1186300, 1423560, 1779450, 2135340, 2372600, 2669175, 3558900, 4270680, 5338350, 7117800, 10676700, 21353400]

約数ペア:

[(1, 21353400), (2, 10676700), (3, 7117800), (4, 5338350), (5, 4270680), (6, 3558900), (8, 2669175), (9, 2372600), (10, 2135340), (12, 1779450), (15, 1423560), (18, 1186300), (20, 1067670), (24, 889725), (25, 854136), (30, 711780), (36, 593150), (40, 533835), (45, 474520), (50, 427068), (60, 355890), (72, 296575), (75, 284712), (90, 237260), (100, 213534), (120, 177945), (150, 142356), (180, 118630), (200, 106767), (225, 94904), (300, 71178), (360, 59315), (450, 47452), (600, 35589), (900, 23726), (1800, 11863)]