21143514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10711}}^1$

素因数の和:10770

約数の個数: 32

約数和(自身を含む): 49360896

約数和(自身を除く): 28217382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10711, 21422, 32133, 64266, 74977, 149954, 224931, 449862, 503417, 1006834, 1510251, 3020502, 3523919, 7047838, 10571757, 21143514]

約数ペア:

[(1, 21143514), (2, 10571757), (3, 7047838), (6, 3523919), (7, 3020502), (14, 1510251), (21, 1006834), (42, 503417), (47, 449862), (94, 224931), (141, 149954), (282, 74977), (329, 64266), (658, 32133), (987, 21422), (1974, 10711)]