21128400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5869}}^1$

素因数の和:5893

約数の個数: 90

約数和(自身を含む): 73333910

約数和(自身を除く): 52205510

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5869, 11738, 17607, 23476, 29345, 35214, 46952, 52821, 58690, 70428, 88035, 93904, 105642, 117380, 140856, 146725, 176070, 211284, 234760, 264105, 281712, 293450, 352140, 422568, 440175, 469520, 528210, 586900, 704280, 845136, 880350, 1056420, 1173800, 1320525, 1408560, 1760700, 2112840, 2347600, 2641050, 3521400, 4225680, 5282100, 7042800, 10564200, 21128400]

約数ペア:

[(1, 21128400), (2, 10564200), (3, 7042800), (4, 5282100), (5, 4225680), (6, 3521400), (8, 2641050), (9, 2347600), (10, 2112840), (12, 1760700), (15, 1408560), (16, 1320525), (18, 1173800), (20, 1056420), (24, 880350), (25, 845136), (30, 704280), (36, 586900), (40, 528210), (45, 469520), (48, 440175), (50, 422568), (60, 352140), (72, 293450), (75, 281712), (80, 264105), (90, 234760), (100, 211284), (120, 176070), (144, 146725), (150, 140856), (180, 117380), (200, 105642), (225, 93904), (240, 88035), (300, 70428), (360, 58690), (400, 52821), (450, 46952), (600, 35214), (720, 29345), (900, 23476), (1200, 17607), (1800, 11738), (3600, 5869)]