21979638

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2399}}^1$

素因数の和:2916

約数の個数: 24

約数和(自身を含む): 47736000

約数和(自身を除く): 25756362

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2399, 3054, 4581, 4798, 7197, 9162, 14394, 21591, 43182, 1221091, 2442182, 3663273, 7326546, 10989819, 21979638]

約数ペア:

[(1, 21979638), (2, 10989819), (3, 7326546), (6, 3663273), (9, 2442182), (18, 1221091), (509, 43182), (1018, 21591), (1527, 14394), (2399, 9162), (3054, 7197), (4581, 4798)]