21250683

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{823}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 32564480

約数和(自身を除く): 11313797

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 823, 1359, 2469, 2869, 7407, 8607, 15637, 25821, 46911, 124273, 140733, 372819, 1118457, 2361187, 7083561, 21250683]

約数ペア:

[(1, 21250683), (3, 7083561), (9, 2361187), (19, 1118457), (57, 372819), (151, 140733), (171, 124273), (453, 46911), (823, 25821), (1359, 15637), (2469, 8607), (2869, 7407)]