21019163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2568037

約数列:

[1, 11, 59, 139, 233, 649, 1529, 2563, 8201, 13747, 32387, 90211, 151217, 356257, 1910833, 21019163]

約数ペア:

[(1, 21019163), (11, 1910833), (59, 356257), (139, 151217), (233, 90211), (649, 32387), (1529, 13747), (2563, 8201)]