21083512

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64279}}^1$

素因数の和:64326

約数の個数: 16

約数和(自身を含む): 40496400

約数和(自身を除く): 19412888

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64279, 128558, 257116, 514232, 2635439, 5270878, 10541756, 21083512]

約数ペア:

[(1, 21083512), (2, 10541756), (4, 5270878), (8, 2635439), (41, 514232), (82, 257116), (164, 128558), (328, 64279)]