21449072

素因数分解:

$2^4\times {\mathrm{827}}^1\times {\mathrm{1621}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 41633496

約数和(自身を除く): 20184424

約数列:

[1, 2, 4, 8, 16, 827, 1621, 1654, 3242, 3308, 6484, 6616, 12968, 13232, 25936, 1340567, 2681134, 5362268, 10724536, 21449072]

約数ペア:

[(1, 21449072), (2, 10724536), (4, 5362268), (8, 2681134), (16, 1340567), (827, 25936), (1621, 13232), (1654, 12968), (3242, 6616), (3308, 6484)]