21979026

素因数分解:

$2^1\times 3^4\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:868

約数の個数: 40

約数和(自身を含む): 49559664

約数和(自身を除く): 27580638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 211, 422, 633, 643, 1266, 1286, 1899, 1929, 3798, 3858, 5697, 5787, 11394, 11574, 17091, 17361, 34182, 34722, 52083, 104166, 135673, 271346, 407019, 814038, 1221057, 2442114, 3663171, 7326342, 10989513, 21979026]

約数ペア:

[(1, 21979026), (2, 10989513), (3, 7326342), (6, 3663171), (9, 2442114), (18, 1221057), (27, 814038), (54, 407019), (81, 271346), (162, 135673), (211, 104166), (422, 52083), (633, 34722), (643, 34182), (1266, 17361), (1286, 17091), (1899, 11574), (1929, 11394), (3798, 5787), (3858, 5697)]