21439330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 42742080

約数和(自身を除く): 21302750

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2909, 3685, 5818, 7370, 14545, 29090, 31999, 63998, 159995, 194903, 319990, 389806, 974515, 1949030, 2143933, 4287866, 10719665, 21439330]

約数ペア:

[(1, 21439330), (2, 10719665), (5, 4287866), (10, 2143933), (11, 1949030), (22, 974515), (55, 389806), (67, 319990), (110, 194903), (134, 159995), (335, 63998), (670, 31999), (737, 29090), (1474, 14545), (2909, 7370), (3685, 5818)]