21240138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186317}}^1$

素因数の和:186341

約数の個数: 16

約数和(自身を含む): 44716320

約数和(自身を除く): 23476182

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186317, 372634, 558951, 1117902, 3540023, 7080046, 10620069, 21240138]

約数ペア:

[(1, 21240138), (2, 10620069), (3, 7080046), (6, 3540023), (19, 1117902), (38, 558951), (57, 372634), (114, 186317)]