21011160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{563}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 63348480

約数和(自身を除く): 42337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 563, 622, 933, 1126, 1244, 1555, 1689, 1866, 2252, 2488, 2815, 3110, 3378, 3732, 4504, 4665, 5630, 6220, 6756, 7464, 8445, 9330, 11260, 12440, 13512, 16890, 18660, 22520, 33780, 37320, 67560, 175093, 350186, 525279, 700372, 875465, 1050558, 1400744, 1750930, 2101116, 2626395, 3501860, 4202232, 5252790, 7003720, 10505580, 21011160]

約数ペア:

[(1, 21011160), (2, 10505580), (3, 7003720), (4, 5252790), (5, 4202232), (6, 3501860), (8, 2626395), (10, 2101116), (12, 1750930), (15, 1400744), (20, 1050558), (24, 875465), (30, 700372), (40, 525279), (60, 350186), (120, 175093), (311, 67560), (563, 37320), (622, 33780), (933, 22520), (1126, 18660), (1244, 16890), (1555, 13512), (1689, 12440), (1866, 11260), (2252, 9330), (2488, 8445), (2815, 7464), (3110, 6756), (3378, 6220), (3732, 5630), (4504, 4665)]