21621589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 2570411

約数列:

[1, 11, 79, 139, 179, 869, 1529, 1969, 10981, 14141, 24881, 120791, 155551, 273691, 1965599, 21621589]

約数ペア:

[(1, 21621589), (11, 1965599), (79, 273691), (139, 155551), (179, 120791), (869, 24881), (1529, 14141), (1969, 10981)]