2021029455

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{42923}}^1$

素因数の和:43047

約数の個数: 32

約数和(自身を含む): 3354253056

約数和(自身を除く): 1333223601

約数列:

[1, 3, 5, 15, 43, 73, 129, 215, 219, 365, 645, 1095, 3139, 9417, 15695, 42923, 47085, 128769, 214615, 643845, 1845689, 3133379, 5537067, 9228445, 9400137, 15666895, 27685335, 47000685, 134735297, 404205891, 673676485, 2021029455]

約数ペア:

[(1, 2021029455), (3, 673676485), (5, 404205891), (15, 134735297), (43, 47000685), (73, 27685335), (129, 15666895), (215, 9400137), (219, 9228445), (365, 5537067), (645, 3133379), (1095, 1845689), (3139, 643845), (9417, 214615), (15695, 128769), (42923, 47085)]