21174584

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6317}}^1$

素因数の和:6742

約数の個数: 16

約数和(自身を含む): 39803400

約数和(自身を除く): 18628816

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6317, 12634, 25268, 50536, 2646823, 5293646, 10587292, 21174584]

約数ペア:

[(1, 21174584), (2, 10587292), (4, 5293646), (8, 2646823), (419, 50536), (838, 25268), (1676, 12634), (3352, 6317)]