21788884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1879}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 41269760

約数和(自身を除く): 19480876

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1879, 2899, 3758, 5798, 7516, 11596, 24427, 48854, 97708, 419017, 838034, 1676068, 5447221, 10894442, 21788884]

約数ペア:

[(1, 21788884), (2, 10894442), (4, 5447221), (13, 1676068), (26, 838034), (52, 419017), (223, 97708), (446, 48854), (892, 24427), (1879, 11596), (2899, 7516), (3758, 5798)]