21575764

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10853}}^1$

素因数の和:10935

約数の個数: 24

約数和(自身を含む): 43763328

約数和(自身を除く): 22187564

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10853, 21706, 43412, 75971, 151942, 303884, 770563, 1541126, 3082252, 5393941, 10787882, 21575764]

約数ペア:

[(1, 21575764), (2, 10787882), (4, 5393941), (7, 3082252), (14, 1541126), (28, 770563), (71, 303884), (142, 151942), (284, 75971), (497, 43412), (994, 21706), (1988, 10853)]