21962919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1907}}^1$

素因数の和:2270

約数の個数: 16

約数和(自身を含む): 32054400

約数和(自身を除く): 10091481

約数列:

[1, 3, 11, 33, 349, 1047, 1907, 3839, 5721, 11517, 20977, 62931, 665543, 1996629, 7320973, 21962919]

約数ペア:

[(1, 21962919), (3, 7320973), (11, 1996629), (33, 665543), (349, 62931), (1047, 20977), (1907, 11517), (3839, 5721)]