42021

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 74880

約数和(自身を除く): 32859

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 609, 667, 1449, 1827, 2001, 4669, 6003, 14007, 42021]

約数ペア:

[(1, 42021), (3, 14007), (7, 6003), (9, 4669), (21, 2001), (23, 1827), (29, 1449), (63, 667), (69, 609), (87, 483), (161, 261), (203, 207)]