21359107

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1151}}^1$

素因数の和:1410

約数の個数: 16

約数和(自身を含む): 26763264

約数和(自身を除く): 5404157

約数列:

[1, 7, 11, 77, 241, 1151, 1687, 2651, 8057, 12661, 18557, 88627, 277391, 1941737, 3051301, 21359107]

約数ペア:

[(1, 21359107), (7, 3051301), (11, 1941737), (77, 277391), (241, 88627), (1151, 18557), (1687, 12661), (2651, 8057)]