21481284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 55218240

約数和(自身を除く): 33736956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1493, 2398, 2986, 3597, 4479, 4796, 5972, 7194, 8958, 14388, 16423, 17916, 32846, 49269, 65692, 98538, 162737, 197076, 325474, 488211, 650948, 976422, 1790107, 1952844, 3580214, 5370321, 7160428, 10740642, 21481284]

約数ペア:

[(1, 21481284), (2, 10740642), (3, 7160428), (4, 5370321), (6, 3580214), (11, 1952844), (12, 1790107), (22, 976422), (33, 650948), (44, 488211), (66, 325474), (109, 197076), (132, 162737), (218, 98538), (327, 65692), (436, 49269), (654, 32846), (1199, 17916), (1308, 16423), (1493, 14388), (2398, 8958), (2986, 7194), (3597, 5972), (4479, 4796)]