21786948

素因数分解:

$2^2\times 3^3\times {\mathrm{201731}}^1$

素因数の和:201744

約数の個数: 24

約数和(自身を含む): 56484960

約数和(自身を除く): 34698012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 201731, 403462, 605193, 806924, 1210386, 1815579, 2420772, 3631158, 5446737, 7262316, 10893474, 21786948]

約数ペア:

[(1, 21786948), (2, 10893474), (3, 7262316), (4, 5446737), (6, 3631158), (9, 2420772), (12, 1815579), (18, 1210386), (27, 806924), (36, 605193), (54, 403462), (108, 201731)]