21353508

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53923}}^1$

素因数の和:53944

約数の個数: 36

約数和(自身を含む): 58885008

約数和(自身を除く): 37531500

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53923, 107846, 161769, 215692, 323538, 485307, 593153, 647076, 970614, 1186306, 1779459, 1941228, 2372612, 3558918, 5338377, 7117836, 10676754, 21353508]

約数ペア:

[(1, 21353508), (2, 10676754), (3, 7117836), (4, 5338377), (6, 3558918), (9, 2372612), (11, 1941228), (12, 1779459), (18, 1186306), (22, 970614), (33, 647076), (36, 593153), (44, 485307), (66, 323538), (99, 215692), (132, 161769), (198, 107846), (396, 53923)]