21475930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18047}}^1$

素因数の和:18078

約数の個数: 32

約数和(自身を含む): 46780416

約数和(自身を除く): 25304486

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 18047, 36094, 90235, 126329, 180470, 252658, 306799, 613598, 631645, 1263290, 1533995, 2147593, 3067990, 4295186, 10737965, 21475930]

約数ペア:

[(1, 21475930), (2, 10737965), (5, 4295186), (7, 3067990), (10, 2147593), (14, 1533995), (17, 1263290), (34, 631645), (35, 613598), (70, 306799), (85, 252658), (119, 180470), (170, 126329), (238, 90235), (595, 36094), (1190, 18047)]