21401373

素因数分解:

$3^1\times 7^1\times {\mathrm{929}}^1\times {\mathrm{1097}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 32676480

約数和(自身を除く): 11275107

約数列:

[1, 3, 7, 21, 929, 1097, 2787, 3291, 6503, 7679, 19509, 23037, 1019113, 3057339, 7133791, 21401373]

約数ペア:

[(1, 21401373), (3, 7133791), (7, 3057339), (21, 1019113), (929, 23037), (1097, 19509), (2787, 7679), (3291, 6503)]