21398958

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56611}}^1$

素因数の和:56629

約数の個数: 32

約数和(自身を含む): 54347520

約数和(自身を除く): 32948562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56611, 113222, 169833, 339666, 396277, 509499, 792554, 1018998, 1188831, 1528497, 2377662, 3056994, 3566493, 7132986, 10699479, 21398958]

約数ペア:

[(1, 21398958), (2, 10699479), (3, 7132986), (6, 3566493), (7, 3056994), (9, 2377662), (14, 1528497), (18, 1188831), (21, 1018998), (27, 792554), (42, 509499), (54, 396277), (63, 339666), (126, 169833), (189, 113222), (378, 56611)]