21494816

素因数分解:

$2^5\times 7^1\times {\mathrm{95959}}^1$

素因数の和:95976

約数の個数: 24

約数和(自身を含む): 48363840

約数和(自身を除く): 26869024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 95959, 191918, 383836, 671713, 767672, 1343426, 1535344, 2686852, 3070688, 5373704, 10747408, 21494816]

約数ペア:

[(1, 21494816), (2, 10747408), (4, 5373704), (7, 3070688), (8, 2686852), (14, 1535344), (16, 1343426), (28, 767672), (32, 671713), (56, 383836), (112, 191918), (224, 95959)]