21624687

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9277}}^1$

素因数の和:9327

約数の個数: 24

約数和(自身を含む): 36666656

約数和(自身を除く): 15041969

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9277, 27831, 64939, 83493, 194817, 343249, 584451, 1029747, 2402743, 3089241, 7208229, 21624687]

約数ペア:

[(1, 21624687), (3, 7208229), (7, 3089241), (9, 2402743), (21, 1029747), (37, 584451), (63, 343249), (111, 194817), (259, 83493), (333, 64939), (777, 27831), (2331, 9277)]