21736440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{499}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 77805000

約数和(自身を除く): 56068560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 499, 605, 660, 726, 792, 968, 990, 998, 1089, 1210, 1320, 1452, 1497, 1815, 1980, 1996, 2178, 2420, 2495, 2904, 2994, 3630, 3960, 3992, 4356, 4491, 4840, 4990, 5445, 5489, 5988, 7260, 7485, 8712, 8982, 9980, 10890, 10978, 11976, 14520, 14970, 16467, 17964, 19960, 21780, 21956, 22455, 27445, 29940, 32934, 35928, 43560, 43912, 44910, 49401, 54890, 59880, 60379, 65868, 82335, 89820, 98802, 109780, 120758, 131736, 164670, 179640, 181137, 197604, 219560, 241516, 247005, 301895, 329340, 362274, 395208, 483032, 494010, 543411, 603790, 658680, 724548, 905685, 988020, 1086822, 1207580, 1449096, 1811370, 1976040, 2173644, 2415160, 2717055, 3622740, 4347288, 5434110, 7245480, 10868220, 21736440]

約数ペア:

[(1, 21736440), (2, 10868220), (3, 7245480), (4, 5434110), (5, 4347288), (6, 3622740), (8, 2717055), (9, 2415160), (10, 2173644), (11, 1976040), (12, 1811370), (15, 1449096), (18, 1207580), (20, 1086822), (22, 988020), (24, 905685), (30, 724548), (33, 658680), (36, 603790), (40, 543411), (44, 494010), (45, 483032), (55, 395208), (60, 362274), (66, 329340), (72, 301895), (88, 247005), (90, 241516), (99, 219560), (110, 197604), (120, 181137), (121, 179640), (132, 164670), (165, 131736), (180, 120758), (198, 109780), (220, 98802), (242, 89820), (264, 82335), (330, 65868), (360, 60379), (363, 59880), (396, 54890), (440, 49401), (484, 44910), (495, 43912), (499, 43560), (605, 35928), (660, 32934), (726, 29940), (792, 27445), (968, 22455), (990, 21956), (998, 21780), (1089, 19960), (1210, 17964), (1320, 16467), (1452, 14970), (1497, 14520), (1815, 11976), (1980, 10978), (1996, 10890), (2178, 9980), (2420, 8982), (2495, 8712), (2904, 7485), (2994, 7260), (3630, 5988), (3960, 5489), (3992, 5445), (4356, 4990), (4491, 4840)]