21991716

素因数分解:

$2^2\times 3^3\times {\mathrm{203627}}^1$

素因数の和:203640

約数の個数: 24

約数和(自身を含む): 57015840

約数和(自身を除く): 35024124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 203627, 407254, 610881, 814508, 1221762, 1832643, 2443524, 3665286, 5497929, 7330572, 10995858, 21991716]

約数ペア:

[(1, 21991716), (2, 10995858), (3, 7330572), (4, 5497929), (6, 3665286), (9, 2443524), (12, 1832643), (18, 1221762), (27, 814508), (36, 610881), (54, 407254), (108, 203627)]