21544010

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3361}}^1$

素因数の和:4009

約数の個数: 16

約数和(自身を含む): 38851272

約数和(自身を除く): 17307262

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 3361, 6410, 6722, 16805, 33610, 2154401, 4308802, 10772005, 21544010]

約数ペア:

[(1, 21544010), (2, 10772005), (5, 4308802), (10, 2154401), (641, 33610), (1282, 16805), (3205, 6722), (3361, 6410)]