21854415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12041}}^1$

素因数の和:12071

約数の個数: 24

約数和(自身を含む): 38438064

約数和(自身を除く): 16583649

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 12041, 36123, 60205, 132451, 180615, 397353, 662255, 1456961, 1986765, 4370883, 7284805, 21854415]

約数ペア:

[(1, 21854415), (3, 7284805), (5, 4370883), (11, 1986765), (15, 1456961), (33, 662255), (55, 397353), (121, 180615), (165, 132451), (363, 60205), (605, 36123), (1815, 12041)]