21129625

素因数分解:

$5^3\times {\mathrm{11}}^3\times {\mathrm{127}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 29233152

約数和(自身を除く): 8103527

約数列:

[1, 5, 11, 25, 55, 121, 125, 127, 275, 605, 635, 1331, 1375, 1397, 3025, 3175, 6655, 6985, 15125, 15367, 15875, 33275, 34925, 76835, 166375, 169037, 174625, 384175, 845185, 1920875, 4225925, 21129625]

約数ペア:

[(1, 21129625), (5, 4225925), (11, 1920875), (25, 845185), (55, 384175), (121, 174625), (125, 169037), (127, 166375), (275, 76835), (605, 34925), (635, 33275), (1331, 15875), (1375, 15367), (1397, 15125), (3025, 6985), (3175, 6655)]