21648090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1579}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 52102080

約数和(自身を除く): 30453990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 457, 914, 1371, 1579, 2285, 2742, 3158, 4570, 4737, 6855, 7895, 9474, 13710, 15790, 23685, 47370, 721603, 1443206, 2164809, 3608015, 4329618, 7216030, 10824045, 21648090]

約数ペア:

[(1, 21648090), (2, 10824045), (3, 7216030), (5, 4329618), (6, 3608015), (10, 2164809), (15, 1443206), (30, 721603), (457, 47370), (914, 23685), (1371, 15790), (1579, 13710), (2285, 9474), (2742, 7895), (3158, 6855), (4570, 4737)]