21296007

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4723}}^1$

素因数の和:4899

約数の個数: 16

約数和(自身を含む): 31745280

約数和(自身を除く): 10449273

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4509, 4723, 14169, 42507, 127521, 788741, 2366223, 7098669, 21296007]

約数ペア:

[(1, 21296007), (3, 7098669), (9, 2366223), (27, 788741), (167, 127521), (501, 42507), (1503, 14169), (4509, 4723)]