21876364

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 17314676

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 647, 1294, 2588, 8453, 16906, 33812, 51113, 69229, 102226, 138458, 204452, 276916, 5469091, 10938182, 21876364]

約数ペア:

[(1, 21876364), (2, 10938182), (4, 5469091), (79, 276916), (107, 204452), (158, 138458), (214, 102226), (316, 69229), (428, 51113), (647, 33812), (1294, 16906), (2588, 8453)]