21313801

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 25017984

約数和(自身を除く): 3704183

約数列:

[1, 17, 19, 23, 151, 323, 361, 391, 437, 2567, 2869, 3473, 6137, 7429, 8303, 48773, 54511, 59041, 65987, 141151, 926687, 1121779, 1253753, 21313801]

約数ペア:

[(1, 21313801), (17, 1253753), (19, 1121779), (23, 926687), (151, 141151), (323, 65987), (361, 59041), (391, 54511), (437, 48773), (2567, 8303), (2869, 7429), (3473, 6137)]