21509016

素因数分解:

$2^3\times 3^1\times {\mathrm{479}}^1\times {\mathrm{1871}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 53913600

約数和(自身を除く): 32404584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 479, 958, 1437, 1871, 1916, 2874, 3742, 3832, 5613, 5748, 7484, 11226, 11496, 14968, 22452, 44904, 896209, 1792418, 2688627, 3584836, 5377254, 7169672, 10754508, 21509016]

約数ペア:

[(1, 21509016), (2, 10754508), (3, 7169672), (4, 5377254), (6, 3584836), (8, 2688627), (12, 1792418), (24, 896209), (479, 44904), (958, 22452), (1437, 14968), (1871, 11496), (1916, 11226), (2874, 7484), (3742, 5748), (3832, 5613)]