21765480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1499}}^1$

素因数の和:1535

約数の個数: 96

約数和(自身を含む): 71820000

約数和(自身を除く): 50054520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1499, 1815, 2420, 2904, 2998, 3630, 4497, 4840, 5996, 7260, 7495, 8994, 11992, 14520, 14990, 16489, 17988, 22485, 29980, 32978, 35976, 44970, 49467, 59960, 65956, 82445, 89940, 98934, 131912, 164890, 179880, 181379, 197868, 247335, 329780, 362758, 395736, 494670, 544137, 659560, 725516, 906895, 989340, 1088274, 1451032, 1813790, 1978680, 2176548, 2720685, 3627580, 4353096, 5441370, 7255160, 10882740, 21765480]

約数ペア:

[(1, 21765480), (2, 10882740), (3, 7255160), (4, 5441370), (5, 4353096), (6, 3627580), (8, 2720685), (10, 2176548), (11, 1978680), (12, 1813790), (15, 1451032), (20, 1088274), (22, 989340), (24, 906895), (30, 725516), (33, 659560), (40, 544137), (44, 494670), (55, 395736), (60, 362758), (66, 329780), (88, 247335), (110, 197868), (120, 181379), (121, 179880), (132, 164890), (165, 131912), (220, 98934), (242, 89940), (264, 82445), (330, 65956), (363, 59960), (440, 49467), (484, 44970), (605, 35976), (660, 32978), (726, 29980), (968, 22485), (1210, 17988), (1320, 16489), (1452, 14990), (1499, 14520), (1815, 11992), (2420, 8994), (2904, 7495), (2998, 7260), (3630, 5996), (4497, 4840)]