21458712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81283}}^1$

素因数の和:81303

約数の個数: 32

約数和(自身を含む): 58524480

約数和(自身を除く): 37065768

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81283, 162566, 243849, 325132, 487698, 650264, 894113, 975396, 1788226, 1950792, 2682339, 3576452, 5364678, 7152904, 10729356, 21458712]

約数ペア:

[(1, 21458712), (2, 10729356), (3, 7152904), (4, 5364678), (6, 3576452), (8, 2682339), (11, 1950792), (12, 1788226), (22, 975396), (24, 894113), (33, 650264), (44, 487698), (66, 325132), (88, 243849), (132, 162566), (264, 81283)]