21468585

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 35822592

約数和(自身を除く): 14354007

約数列:

[1, 3, 5, 15, 31, 93, 137, 155, 337, 411, 465, 685, 1011, 1685, 2055, 4247, 5055, 10447, 12741, 21235, 31341, 46169, 52235, 63705, 138507, 156705, 230845, 692535, 1431239, 4293717, 7156195, 21468585]

約数ペア:

[(1, 21468585), (3, 7156195), (5, 4293717), (15, 1431239), (31, 692535), (93, 230845), (137, 156705), (155, 138507), (337, 63705), (411, 52235), (465, 46169), (685, 31341), (1011, 21235), (1685, 12741), (2055, 10447), (4247, 5055)]