21000279839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{363157}}^1$

素因数の和:363926

約数の個数: 16

約数和(自身を含む): 26217102336

約数和(自身を除く): 5216822497

約数列:

[1, 7, 11, 77, 751, 5257, 8261, 57827, 363157, 2542099, 3994727, 27963089, 272730907, 1909116349, 3000039977, 21000279839]

約数ペア:

[(1, 21000279839), (7, 3000039977), (11, 1909116349), (77, 272730907), (751, 27963089), (5257, 3994727), (8261, 2542099), (57827, 363157)]