21000480697

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1\times {\mathrm{27541}}^1$

素因数の和:28768

約数の個数: 16

約数和(自身を含む): 24270451072

約数和(自身を除く): 3269970375

約数列:

[1, 7, 97, 679, 1123, 7861, 27541, 108931, 192787, 762517, 2671477, 18700339, 30928543, 216499801, 3000068671, 21000480697]

約数ペア:

[(1, 21000480697), (7, 3000068671), (97, 216499801), (679, 30928543), (1123, 18700339), (7861, 2671477), (27541, 762517), (108931, 192787)]