21492079154

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1\times {\mathrm{20231}}^1$

素因数の和:20715

約数の個数: 48

約数和(自身を含む): 39986524800

約数和(自身を除く): 18494445646

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 449, 898, 1183, 2366, 3143, 5837, 6286, 11674, 20231, 40462, 40859, 75881, 81718, 141617, 151762, 263003, 283234, 526006, 531167, 1062334, 1841021, 3419039, 3682042, 6838078, 9083719, 18167438, 23933273, 47866546, 63586033, 118088347, 127172066, 236176694, 826618429, 1535148511, 1653236858, 3070297022, 10746039577, 21492079154]

約数ペア:

[(1, 21492079154), (2, 10746039577), (7, 3070297022), (13, 1653236858), (14, 1535148511), (26, 826618429), (91, 236176694), (169, 127172066), (182, 118088347), (338, 63586033), (449, 47866546), (898, 23933273), (1183, 18167438), (2366, 9083719), (3143, 6838078), (5837, 3682042), (6286, 3419039), (11674, 1841021), (20231, 1062334), (40462, 531167), (40859, 526006), (75881, 283234), (81718, 263003), (141617, 151762)]