21947233

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4831}}^1$

素因数の和:4908

約数の個数: 16

約数和(自身を含む): 27832320

約数和(自身を除く): 5885087

約数列:

[1, 7, 11, 59, 77, 413, 649, 4543, 4831, 33817, 53141, 285029, 371987, 1995203, 3135319, 21947233]

約数ペア:

[(1, 21947233), (7, 3135319), (11, 1995203), (59, 371987), (77, 285029), (413, 53141), (649, 33817), (4543, 4831)]