21387354

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{45121}}^1$

素因数の和:45205

約数の個数: 16

約数和(自身を含む): 43317120

約数和(自身を除く): 21929766

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 45121, 90242, 135363, 270726, 3564559, 7129118, 10693677, 21387354]

約数ペア:

[(1, 21387354), (2, 10693677), (3, 7129118), (6, 3564559), (79, 270726), (158, 135363), (237, 90242), (474, 45121)]