21040200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11689}}^1$

素因数の和:11711

約数の個数: 72

約数和(自身を含む): 70666050

約数和(自身を除く): 49625850

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, 11689, 23378, 35067, 46756, 58445, 70134, 93512, 105201, 116890, 140268, 175335, 210402, 233780, 280536, 292225, 350670, 420804, 467560, 526005, 584450, 701340, 841608, 876675, 1052010, 1168900, 1402680, 1753350, 2104020, 2337800, 2630025, 3506700, 4208040, 5260050, 7013400, 10520100, 21040200]

約数ペア:

[(1, 21040200), (2, 10520100), (3, 7013400), (4, 5260050), (5, 4208040), (6, 3506700), (8, 2630025), (9, 2337800), (10, 2104020), (12, 1753350), (15, 1402680), (18, 1168900), (20, 1052010), (24, 876675), (25, 841608), (30, 701340), (36, 584450), (40, 526005), (45, 467560), (50, 420804), (60, 350670), (72, 292225), (75, 280536), (90, 233780), (100, 210402), (120, 175335), (150, 140268), (180, 116890), (200, 105201), (225, 93512), (300, 70134), (360, 58445), (450, 46756), (600, 35067), (900, 23378), (1800, 11689)]