21163184

素因数分解:

$2^4\times 7^1\times {\mathrm{188957}}^1$

素因数の和:188972

約数の個数: 20

約数和(自身を含む): 46861584

約数和(自身を除く): 25698400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188957, 377914, 755828, 1322699, 1511656, 2645398, 3023312, 5290796, 10581592, 21163184]

約数ペア:

[(1, 21163184), (2, 10581592), (4, 5290796), (7, 3023312), (8, 2645398), (14, 1511656), (16, 1322699), (28, 755828), (56, 377914), (112, 188957)]