21557662

素因数分解:

$2^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1871}}^1$

素因数の和:2703

約数の個数: 16

約数和(自身を含む): 37020672

約数和(自身を除く): 15463010

約数列:

[1, 2, 7, 14, 823, 1646, 1871, 3742, 5761, 11522, 13097, 26194, 1539833, 3079666, 10778831, 21557662]

約数ペア:

[(1, 21557662), (2, 10778831), (7, 3079666), (14, 1539833), (823, 26194), (1646, 13097), (1871, 11522), (3742, 5761)]