21895710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2579}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 52755840

約数和(自身を除く): 30860130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 283, 566, 849, 1415, 1698, 2579, 2830, 4245, 5158, 7737, 8490, 12895, 15474, 25790, 38685, 77370, 729857, 1459714, 2189571, 3649285, 4379142, 7298570, 10947855, 21895710]

約数ペア:

[(1, 21895710), (2, 10947855), (3, 7298570), (5, 4379142), (6, 3649285), (10, 2189571), (15, 1459714), (30, 729857), (283, 77370), (566, 38685), (849, 25790), (1415, 15474), (1698, 12895), (2579, 8490), (2830, 7737), (4245, 5158)]