21494032

素因数分解:

$2^4\times 7^1\times {\mathrm{191911}}^1$

素因数の和:191926

約数の個数: 20

約数和(自身を含む): 47594176

約数和(自身を除く): 26100144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191911, 383822, 767644, 1343377, 1535288, 2686754, 3070576, 5373508, 10747016, 21494032]

約数ペア:

[(1, 21494032), (2, 10747016), (4, 5373508), (7, 3070576), (8, 2686754), (14, 1535288), (16, 1343377), (28, 767644), (56, 383822), (112, 191911)]