21653534

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67247}}^1$

素因数の和:67279

約数の個数: 16

約数和(自身を含む): 38734848

約数和(自身を除く): 17081314

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67247, 134494, 470729, 941458, 1546681, 3093362, 10826767, 21653534]

約数ペア:

[(1, 21653534), (2, 10826767), (7, 3093362), (14, 1546681), (23, 941458), (46, 470729), (161, 134494), (322, 67247)]