21870842

素因数分解:

$2^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1889}}^1$

素因数の和:2725

約数の個数: 16

約数和(自身を含む): 37558080

約数和(自身を除く): 15687238

約数列:

[1, 2, 7, 14, 827, 1654, 1889, 3778, 5789, 11578, 13223, 26446, 1562203, 3124406, 10935421, 21870842]

約数ペア:

[(1, 21870842), (2, 10935421), (7, 3124406), (14, 1562203), (827, 26446), (1654, 13223), (1889, 11578), (3778, 5789)]