21000355007

素因数分解:

${\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1\times {\mathrm{20753}}^1$

素因数の和:21130

約数の個数: 16

約数和(自身を含む): 21795684768

約数和(自身を除く): 795329761

約数列:

[1, 43, 101, 233, 4343, 10019, 20753, 23533, 892379, 1011919, 2096053, 4835449, 90130279, 207924307, 488380349, 21000355007]

約数ペア:

[(1, 21000355007), (43, 488380349), (101, 207924307), (233, 90130279), (4343, 4835449), (10019, 2096053), (20753, 1011919), (23533, 892379)]