21448388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6991}}^1$

素因数の和:7067

約数の個数: 24

約数和(自身を含む): 41112960

約数和(自身を除く): 19664572

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6991, 13982, 27964, 90883, 181766, 363532, 412469, 824938, 1649876, 5362097, 10724194, 21448388]

約数ペア:

[(1, 21448388), (2, 10724194), (4, 5362097), (13, 1649876), (26, 824938), (52, 412469), (59, 363532), (118, 181766), (236, 90883), (767, 27964), (1534, 13982), (3068, 6991)]