21366646

素因数分解:

$2^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{829}}^1$

素因数の和:1108

約数の個数: 24

約数和(自身を含む): 37469520

約数和(自身を除く): 16102874

約数列:

[1, 2, 7, 14, 49, 98, 263, 526, 829, 1658, 1841, 3682, 5803, 11606, 12887, 25774, 40621, 81242, 218027, 436054, 1526189, 3052378, 10683323, 21366646]

約数ペア:

[(1, 21366646), (2, 10683323), (7, 3052378), (14, 1526189), (49, 436054), (98, 218027), (263, 81242), (526, 40621), (829, 25774), (1658, 12887), (1841, 11606), (3682, 5803)]