21186470

素因数分解:

$2^1\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1621}}^1$

素因数の和:2935

約数の個数: 16

約数和(自身を含む): 38188368

約数和(自身を除く): 17001898

約数列:

[1, 2, 5, 10, 1307, 1621, 2614, 3242, 6535, 8105, 13070, 16210, 2118647, 4237294, 10593235, 21186470]

約数ペア:

[(1, 21186470), (2, 10593235), (5, 4237294), (10, 2118647), (1307, 16210), (1621, 13070), (2614, 8105), (3242, 6535)]