21467684

素因数分解:

$2^2\times 7^3\times {\mathrm{15647}}^1$

素因数の和:15672

約数の個数: 24

約数和(自身を含む): 43814400

約数和(自身を除く): 22346716

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15647, 31294, 62588, 109529, 219058, 438116, 766703, 1533406, 3066812, 5366921, 10733842, 21467684]

約数ペア:

[(1, 21467684), (2, 10733842), (4, 5366921), (7, 3066812), (14, 1533406), (28, 766703), (49, 438116), (98, 219058), (196, 109529), (343, 62588), (686, 31294), (1372, 15647)]