21392610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1109}}^1$

素因数の和:1762

約数の個数: 32

約数和(自身を含む): 51468480

約数和(自身を除く): 30075870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1109, 1286, 1929, 2218, 3215, 3327, 3858, 5545, 6430, 6654, 9645, 11090, 16635, 19290, 33270, 713087, 1426174, 2139261, 3565435, 4278522, 7130870, 10696305, 21392610]

約数ペア:

[(1, 21392610), (2, 10696305), (3, 7130870), (5, 4278522), (6, 3565435), (10, 2139261), (15, 1426174), (30, 713087), (643, 33270), (1109, 19290), (1286, 16635), (1929, 11090), (2218, 9645), (3215, 6654), (3327, 6430), (3858, 5545)]