21131583

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{6217}}^1$

素因数の和:6334

約数の個数: 16

約数和(自身を含む): 31040256

約数和(自身を除く): 9908673

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 6217, 18651, 68387, 205161, 640351, 1921053, 7043861, 21131583]

約数ペア:

[(1, 21131583), (3, 7043861), (11, 1921053), (33, 640351), (103, 205161), (309, 68387), (1133, 18651), (3399, 6217)]