21495656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29527}}^1$

素因数の和:29553

約数の個数: 32

約数和(自身を含む): 49607040

約数和(自身を除く): 28111384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29527, 59054, 118108, 206689, 236216, 383851, 413378, 767702, 826756, 1535404, 1653512, 2686957, 3070808, 5373914, 10747828, 21495656]

約数ペア:

[(1, 21495656), (2, 10747828), (4, 5373914), (7, 3070808), (8, 2686957), (13, 1653512), (14, 1535404), (26, 826756), (28, 767702), (52, 413378), (56, 383851), (91, 236216), (104, 206689), (182, 118108), (364, 59054), (728, 29527)]