21740268

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1511}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34143252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1511, 2398, 3022, 3597, 4533, 4796, 6044, 7194, 9066, 14388, 16621, 18132, 33242, 49863, 66484, 99726, 164699, 199452, 329398, 494097, 658796, 988194, 1811689, 1976388, 3623378, 5435067, 7246756, 10870134, 21740268]

約数ペア:

[(1, 21740268), (2, 10870134), (3, 7246756), (4, 5435067), (6, 3623378), (11, 1976388), (12, 1811689), (22, 988194), (33, 658796), (44, 494097), (66, 329398), (109, 199452), (132, 164699), (218, 99726), (327, 66484), (436, 49863), (654, 33242), (1199, 18132), (1308, 16621), (1511, 14388), (2398, 9066), (3022, 7194), (3597, 6044), (4533, 4796)]