21066375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{5107}}^1$

素因数の和:5136

約数の個数: 32

約数和(自身を含む): 38248704

約数和(自身を除く): 17182329

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 5107, 15321, 25535, 56177, 76605, 127675, 168531, 280885, 383025, 638375, 842655, 1404425, 1915125, 4213275, 7022125, 21066375]

約数ペア:

[(1, 21066375), (3, 7022125), (5, 4213275), (11, 1915125), (15, 1404425), (25, 842655), (33, 638375), (55, 383025), (75, 280885), (125, 168531), (165, 127675), (275, 76605), (375, 56177), (825, 25535), (1375, 15321), (4125, 5107)]