21329512

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65029}}^1$

素因数の和:65076

約数の個数: 16

約数和(自身を含む): 40968900

約数和(自身を除く): 19639388

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65029, 130058, 260116, 520232, 2666189, 5332378, 10664756, 21329512]

約数ペア:

[(1, 21329512), (2, 10664756), (4, 5332378), (8, 2666189), (41, 520232), (82, 260116), (164, 130058), (328, 65029)]