21341925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8623}}^1$

素因数の和:8650

約数の個数: 36

約数和(自身を含む): 41705664

約数和(自身を除く): 20363739

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8623, 25869, 43115, 77607, 94853, 129345, 215575, 284559, 388035, 474265, 646725, 853677, 1422795, 1940175, 2371325, 4268385, 7113975, 21341925]

約数ペア:

[(1, 21341925), (3, 7113975), (5, 4268385), (9, 2371325), (11, 1940175), (15, 1422795), (25, 853677), (33, 646725), (45, 474265), (55, 388035), (75, 284559), (99, 215575), (165, 129345), (225, 94853), (275, 77607), (495, 43115), (825, 25869), (2475, 8623)]