21372990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{712433}}^1$

素因数の和:712443

約数の個数: 16

約数和(自身を含む): 51295248

約数和(自身を除く): 29922258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 712433, 1424866, 2137299, 3562165, 4274598, 7124330, 10686495, 21372990]

約数ペア:

[(1, 21372990), (2, 10686495), (3, 7124330), (5, 4274598), (6, 3562165), (10, 2137299), (15, 1424866), (30, 712433)]