21492074185

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{3221}}^1$

素因数の和:3585

約数の個数: 32

約数和(自身を含む): 26579798784

約数和(自身を除く): 5087724599

約数列:

[1, 5, 61, 131, 167, 305, 655, 835, 3221, 7991, 10187, 16105, 21877, 39955, 50935, 109385, 196481, 421951, 537907, 982405, 1334497, 2109755, 2689535, 6672485, 25739011, 32812327, 70465817, 128695055, 164061635, 352329085, 4298414837, 21492074185]

約数ペア:

[(1, 21492074185), (5, 4298414837), (61, 352329085), (131, 164061635), (167, 128695055), (305, 70465817), (655, 32812327), (835, 25739011), (3221, 6672485), (7991, 2689535), (10187, 2109755), (16105, 1334497), (21877, 982405), (39955, 537907), (50935, 421951), (109385, 196481)]