21885875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1447}}^1$

素因数の和:1484

約数の個数: 24

約数和(自身を含む): 30043104

約数和(自身を除く): 8157229

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1375, 1447, 3025, 7235, 15125, 15917, 36175, 79585, 175087, 180875, 397925, 875435, 1989625, 4377175, 21885875]

約数ペア:

[(1, 21885875), (5, 4377175), (11, 1989625), (25, 875435), (55, 397925), (121, 180875), (125, 175087), (275, 79585), (605, 36175), (1375, 15917), (1447, 15125), (3025, 7235)]