21190212

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{5209}}^1$

素因数の和:5332

約数の個数: 36

約数和(自身を含む): 54048540

約数和(自身を除く): 32858328

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 5209, 10418, 15627, 20836, 31254, 46881, 62508, 93762, 187524, 588617, 1177234, 1765851, 2354468, 3531702, 5297553, 7063404, 10595106, 21190212]

約数ペア:

[(1, 21190212), (2, 10595106), (3, 7063404), (4, 5297553), (6, 3531702), (9, 2354468), (12, 1765851), (18, 1177234), (36, 588617), (113, 187524), (226, 93762), (339, 62508), (452, 46881), (678, 31254), (1017, 20836), (1356, 15627), (2034, 10418), (4068, 5209)]