21270614

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4027}}^1$

素因数の和:4187

約数の個数: 16

約数和(自身を含む): 33835200

約数和(自身を除く): 12564586

約数列:

[1, 2, 19, 38, 139, 278, 2641, 4027, 5282, 8054, 76513, 153026, 559753, 1119506, 10635307, 21270614]

約数ペア:

[(1, 21270614), (2, 10635307), (19, 1119506), (38, 559753), (139, 153026), (278, 76513), (2641, 8054), (4027, 5282)]