21190688

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{1301}}^1$

素因数の和:1820

約数の個数: 24

約数和(自身を含む): 41833260

約数和(自身を除く): 20642572

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 1301, 2036, 2602, 4072, 5204, 8144, 10408, 16288, 20816, 41632, 662209, 1324418, 2648836, 5297672, 10595344, 21190688]

約数ペア:

[(1, 21190688), (2, 10595344), (4, 5297672), (8, 2648836), (16, 1324418), (32, 662209), (509, 41632), (1018, 20816), (1301, 16288), (2036, 10408), (2602, 8144), (4072, 5204)]