21632920

素因数分解:

$2^3\times 5^1\times {\mathrm{540823}}^1$

素因数の和:540834

約数の個数: 16

約数和(自身を含む): 48674160

約数和(自身を除く): 27041240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 540823, 1081646, 2163292, 2704115, 4326584, 5408230, 10816460, 21632920]

約数ペア:

[(1, 21632920), (2, 10816460), (4, 5408230), (5, 4326584), (8, 2704115), (10, 2163292), (20, 1081646), (40, 540823)]