21666106

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140689}}^1$

素因数の和:140709

約数の個数: 16

約数和(自身を含む): 40518720

約数和(自身を除く): 18852614

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140689, 281378, 984823, 1547579, 1969646, 3095158, 10833053, 21666106]

約数ペア:

[(1, 21666106), (2, 10833053), (7, 3095158), (11, 1969646), (14, 1547579), (22, 984823), (77, 281378), (154, 140689)]