21967956

素因数分解:

$2^2\times 3^3\times {\mathrm{107}}^1\times {\mathrm{1901}}^1$

素因数の和:2021

約数の個数: 48

約数和(自身を含む): 57516480

約数和(自身を除く): 35548524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 214, 321, 428, 642, 963, 1284, 1901, 1926, 2889, 3802, 3852, 5703, 5778, 7604, 11406, 11556, 17109, 22812, 34218, 51327, 68436, 102654, 203407, 205308, 406814, 610221, 813628, 1220442, 1830663, 2440884, 3661326, 5491989, 7322652, 10983978, 21967956]

約数ペア:

[(1, 21967956), (2, 10983978), (3, 7322652), (4, 5491989), (6, 3661326), (9, 2440884), (12, 1830663), (18, 1220442), (27, 813628), (36, 610221), (54, 406814), (107, 205308), (108, 203407), (214, 102654), (321, 68436), (428, 51327), (642, 34218), (963, 22812), (1284, 17109), (1901, 11556), (1926, 11406), (2889, 7604), (3802, 5778), (3852, 5703)]