21091313889

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{131501}}^1$

素因数の和:131829

約数の個数: 24

約数和(自身を含む): 31017639744

約数和(自身を除く): 9926325855

約数列:

[1, 3, 9, 71, 213, 251, 639, 753, 2259, 17821, 53463, 131501, 160389, 394503, 1183509, 9336571, 28009713, 33006751, 84029139, 99020253, 297060759, 2343479321, 7030437963, 21091313889]

約数ペア:

[(1, 21091313889), (3, 7030437963), (9, 2343479321), (71, 297060759), (213, 99020253), (251, 84029139), (639, 33006751), (753, 28009713), (2259, 9336571), (17821, 1183509), (53463, 394503), (131501, 160389)]