21430772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{853}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 41032992

約数和(自身を除く): 19602220

約数列:

[1, 2, 4, 11, 22, 44, 571, 853, 1142, 1706, 2284, 3412, 6281, 9383, 12562, 18766, 25124, 37532, 487063, 974126, 1948252, 5357693, 10715386, 21430772]

約数ペア:

[(1, 21430772), (2, 10715386), (4, 5357693), (11, 1948252), (22, 974126), (44, 487063), (571, 37532), (853, 25124), (1142, 18766), (1706, 12562), (2284, 9383), (3412, 6281)]