21011473

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9293}}^1$

素因数の和:9336

約数の個数: 16

約数和(自身を含む): 26766720

約数和(自身を除く): 5755247

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9293, 65051, 157981, 176567, 1105867, 1235969, 3001639, 21011473]

約数ペア:

[(1, 21011473), (7, 3001639), (17, 1235969), (19, 1105867), (119, 176567), (133, 157981), (323, 65051), (2261, 9293)]