21275254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10627}}^1$

素因数の和:10660

約数の個数: 32

約数和(自身を含む): 42852096

約数和(自身を除く): 21576842

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10627, 21254, 74389, 116897, 138151, 148778, 233794, 276302, 818279, 967057, 1519661, 1636558, 1934114, 3039322, 10637627, 21275254]

約数ペア:

[(1, 21275254), (2, 10637627), (7, 3039322), (11, 1934114), (13, 1636558), (14, 1519661), (22, 967057), (26, 818279), (77, 276302), (91, 233794), (143, 148778), (154, 138151), (182, 116897), (286, 74389), (1001, 21254), (2002, 10627)]