21167451347

素因数分解:

$7^2\times {\mathrm{151}}^1\times {\mathrm{2860853}}^1$

素因数の和:2861018

約数の個数: 12

約数和(自身を含む): 24786439056

約数和(自身を除く): 3618987709

約数列:

[1, 7, 49, 151, 1057, 7399, 2860853, 20025971, 140181797, 431988803, 3023921621, 21167451347]

約数ペア:

[(1, 21167451347), (7, 3023921621), (49, 431988803), (151, 140181797), (1057, 20025971), (7399, 2860853)]