21136406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2311}}^1$

素因数の和:2599

約数の個数: 16

約数和(自身を含む): 33708960

約数和(自身を除く): 12572554

約数列:

[1, 2, 17, 34, 269, 538, 2311, 4573, 4622, 9146, 39287, 78574, 621659, 1243318, 10568203, 21136406]

約数ペア:

[(1, 21136406), (2, 10568203), (17, 1243318), (34, 621659), (269, 78574), (538, 39287), (2311, 9146), (4573, 4622)]