21285027

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 11081853

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 1559, 4551, 4677, 13653, 14031, 57683, 63919, 173049, 191757, 519147, 575271, 2365003, 7095009, 21285027]

約数ペア:

[(1, 21285027), (3, 7095009), (9, 2365003), (37, 575271), (41, 519147), (111, 191757), (123, 173049), (333, 63919), (369, 57683), (1517, 14031), (1559, 13653), (4551, 4677)]