21297042

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{7001}}^1$

素因数の和:7035

約数の個数: 36

約数和(自身を含む): 49973274

約数和(自身を除く): 28676232

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 7001, 14002, 21003, 42006, 63009, 91013, 126018, 182026, 273039, 546078, 819117, 1183169, 1638234, 2366338, 3549507, 7099014, 10648521, 21297042]

約数ペア:

[(1, 21297042), (2, 10648521), (3, 7099014), (6, 3549507), (9, 2366338), (13, 1638234), (18, 1183169), (26, 819117), (39, 546078), (78, 273039), (117, 182026), (169, 126018), (234, 91013), (338, 63009), (507, 42006), (1014, 21003), (1521, 14002), (3042, 7001)]