21123402

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1459}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 44851200

約数和(自身を除く): 23727798

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 127, 254, 381, 762, 1459, 2413, 2918, 4377, 4826, 7239, 8754, 14478, 27721, 55442, 83163, 166326, 185293, 370586, 555879, 1111758, 3520567, 7041134, 10561701, 21123402]

約数ペア:

[(1, 21123402), (2, 10561701), (3, 7041134), (6, 3520567), (19, 1111758), (38, 555879), (57, 370586), (114, 185293), (127, 166326), (254, 83163), (381, 55442), (762, 27721), (1459, 14478), (2413, 8754), (2918, 7239), (4377, 4826)]