21795125

素因数分解:

$5^3\times {\mathrm{11}}^3\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 30146688

約数和(自身を除く): 8351563

約数列:

[1, 5, 11, 25, 55, 121, 125, 131, 275, 605, 655, 1331, 1375, 1441, 3025, 3275, 6655, 7205, 15125, 15851, 16375, 33275, 36025, 79255, 166375, 174361, 180125, 396275, 871805, 1981375, 4359025, 21795125]

約数ペア:

[(1, 21795125), (5, 4359025), (11, 1981375), (25, 871805), (55, 396275), (121, 180125), (125, 174361), (131, 166375), (275, 79255), (605, 36025), (655, 33275), (1331, 16375), (1375, 15851), (1441, 15125), (3025, 7205), (3275, 6655)]