21176738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8831}}^1$

素因数の和:8953

約数の個数: 16

約数和(自身を含む): 34974720

約数和(自身を除く): 13797982

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8831, 17662, 97141, 194282, 962579, 1925158, 10588369, 21176738]

約数ペア:

[(1, 21176738), (2, 10588369), (11, 1925158), (22, 962579), (109, 194282), (218, 97141), (1199, 17662), (2398, 8831)]