21935067

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 14767653

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 269, 353, 807, 1059, 1883, 2471, 2959, 3883, 5649, 7413, 8877, 11649, 20713, 27181, 62139, 81543, 94957, 284871, 664699, 1044527, 1994097, 3133581, 7311689, 21935067]

約数ペア:

[(1, 21935067), (3, 7311689), (7, 3133581), (11, 1994097), (21, 1044527), (33, 664699), (77, 284871), (231, 94957), (269, 81543), (353, 62139), (807, 27181), (1059, 20713), (1883, 11649), (2471, 8877), (2959, 7413), (3883, 5649)]