21160724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13127}}^1$

素因数の和:13175

約数の個数: 24

約数和(自身を含む): 41169408

約数和(自身を除く): 20008684

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13127, 26254, 52508, 170651, 341302, 406937, 682604, 813874, 1627748, 5290181, 10580362, 21160724]

約数ペア:

[(1, 21160724), (2, 10580362), (4, 5290181), (13, 1627748), (26, 813874), (31, 682604), (52, 406937), (62, 341302), (124, 170651), (403, 52508), (806, 26254), (1612, 13127)]