21704271

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2609}}^1$

素因数の和:2718

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 8362929

約数列:

[1, 3, 47, 59, 141, 177, 2609, 2773, 7827, 8319, 122623, 153931, 367869, 461793, 7234757, 21704271]

約数ペア:

[(1, 21704271), (3, 7234757), (47, 461793), (59, 367869), (141, 153931), (177, 122623), (2609, 8319), (2773, 7827)]