21578004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85627}}^1$

素因数の和:85644

約数の個数: 36

約数和(自身を含む): 62337184

約数和(自身を除く): 40759180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85627, 171254, 256881, 342508, 513762, 599389, 770643, 1027524, 1198778, 1541286, 1798167, 2397556, 3082572, 3596334, 5394501, 7192668, 10789002, 21578004]

約数ペア:

[(1, 21578004), (2, 10789002), (3, 7192668), (4, 5394501), (6, 3596334), (7, 3082572), (9, 2397556), (12, 1798167), (14, 1541286), (18, 1198778), (21, 1027524), (28, 770643), (36, 599389), (42, 513762), (63, 342508), (84, 256881), (126, 171254), (252, 85627)]