21189382

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 24

約数和(自身を含む): 33430320

約数和(自身を除く): 12240938

約数列:

[1, 2, 37, 71, 74, 109, 142, 218, 1369, 2627, 2738, 4033, 5254, 7739, 8066, 15478, 97199, 149221, 194398, 286343, 298442, 572686, 10594691, 21189382]

約数ペア:

[(1, 21189382), (2, 10594691), (37, 572686), (71, 298442), (74, 286343), (109, 194398), (142, 149221), (218, 97199), (1369, 15478), (2627, 8066), (2738, 7739), (4033, 5254)]