21585597

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 33644160

約数和(自身を除く): 12058563

約数列:

[1, 3, 11, 17, 33, 51, 109, 187, 327, 353, 561, 1059, 1199, 1853, 3597, 3883, 5559, 6001, 11649, 18003, 20383, 38477, 61149, 66011, 115431, 198033, 423247, 654109, 1269741, 1962327, 7195199, 21585597]

約数ペア:

[(1, 21585597), (3, 7195199), (11, 1962327), (17, 1269741), (33, 654109), (51, 423247), (109, 198033), (187, 115431), (327, 66011), (353, 61149), (561, 38477), (1059, 20383), (1199, 18003), (1853, 11649), (3597, 6001), (3883, 5559)]