21115606

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 32216400

約数和(自身を除く): 11100794

約数列:

[1, 2, 89, 178, 313, 379, 626, 758, 27857, 33731, 55714, 67462, 118627, 237254, 10557803, 21115606]

約数ペア:

[(1, 21115606), (2, 10557803), (89, 237254), (178, 118627), (313, 67462), (379, 55714), (626, 33731), (758, 27857)]