21574861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14747}}^1$

素因数の和:14784

約数の個数: 16

約数和(自身を含む): 28316160

約数和(自身を除く): 6741299

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14747, 103229, 162217, 280193, 1135519, 1961351, 3082123, 21574861]

約数ペア:

[(1, 21574861), (7, 3082123), (11, 1961351), (19, 1135519), (77, 280193), (133, 162217), (209, 103229), (1463, 14747)]