21938970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{731299}}^1$

素因数の和:731309

約数の個数: 16

約数和(自身を含む): 52653600

約数和(自身を除く): 30714630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 731299, 1462598, 2193897, 3656495, 4387794, 7312990, 10969485, 21938970]

約数ペア:

[(1, 21938970), (2, 10969485), (3, 7312990), (5, 4387794), (6, 3656495), (10, 2193897), (15, 1462598), (30, 731299)]