21981918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1811}}^1$

素因数の和:1857

約数の個数: 48

約数和(自身を含む): 53403264

約数和(自身を除く): 31421346

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 289, 357, 578, 714, 867, 1734, 1811, 2023, 3622, 4046, 5433, 6069, 10866, 12138, 12677, 25354, 30787, 38031, 61574, 76062, 92361, 184722, 215509, 431018, 523379, 646527, 1046758, 1293054, 1570137, 3140274, 3663653, 7327306, 10990959, 21981918]

約数ペア:

[(1, 21981918), (2, 10990959), (3, 7327306), (6, 3663653), (7, 3140274), (14, 1570137), (17, 1293054), (21, 1046758), (34, 646527), (42, 523379), (51, 431018), (102, 215509), (119, 184722), (238, 92361), (289, 76062), (357, 61574), (578, 38031), (714, 30787), (867, 25354), (1734, 12677), (1811, 12138), (2023, 10866), (3622, 6069), (4046, 5433)]