21000201663

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2309491}}^1$

素因数の和:2309934

約数の個数: 16

約数和(自身を含む): 32074224896

約数和(自身を除く): 11074023233

約数列:

[1, 3, 7, 21, 433, 1299, 3031, 9093, 2309491, 6928473, 16166437, 48499311, 1000009603, 3000028809, 7000067221, 21000201663]

約数ペア:

[(1, 21000201663), (3, 7000067221), (7, 3000028809), (21, 1000009603), (433, 48499311), (1299, 16166437), (3031, 6928473), (9093, 2309491)]