21919443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4723}}^1$

素因数の和:4763

約数の個数: 32

約数和(自身を含む): 38094336

約数和(自身を除く): 16174893

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 4723, 14169, 33061, 61399, 80291, 99183, 184197, 240873, 429793, 562037, 1043783, 1289379, 1686111, 3131349, 7306481, 21919443]

約数ペア:

[(1, 21919443), (3, 7306481), (7, 3131349), (13, 1686111), (17, 1289379), (21, 1043783), (39, 562037), (51, 429793), (91, 240873), (119, 184197), (221, 99183), (273, 80291), (357, 61399), (663, 33061), (1547, 14169), (4641, 4723)]