21164038

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6779}}^1$

素因数の和:7011

約数の個数: 16

約数和(自身を含む): 36449280

約数和(自身を除く): 15285242

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 6779, 13558, 47453, 94906, 1511717, 3023434, 10582019, 21164038]

約数ペア:

[(1, 21164038), (2, 10582019), (7, 3023434), (14, 1511717), (223, 94906), (446, 47453), (1561, 13558), (3122, 6779)]