21483872

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{1319}}^1$

素因数の和:1838

約数の個数: 24

約数和(自身を含む): 42411600

約数和(自身を除く): 20927728

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 1319, 2036, 2638, 4072, 5276, 8144, 10552, 16288, 21104, 42208, 671371, 1342742, 2685484, 5370968, 10741936, 21483872]

約数ペア:

[(1, 21483872), (2, 10741936), (4, 5370968), (8, 2685484), (16, 1342742), (32, 671371), (509, 42208), (1018, 21104), (1319, 16288), (2036, 10552), (2638, 8144), (4072, 5276)]