21329254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1429}}^1$

素因数の和:1887

約数の個数: 16

約数和(自身を含む): 33976800

約数和(自身を除く): 12647546

約数列:

[1, 2, 17, 34, 439, 878, 1429, 2858, 7463, 14926, 24293, 48586, 627331, 1254662, 10664627, 21329254]

約数ペア:

[(1, 21329254), (2, 10664627), (17, 1254662), (34, 627331), (439, 48586), (878, 24293), (1429, 14926), (2858, 7463)]