21024431

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 22952160

約数和(自身を除く): 1927729

約数列:

[1, 19, 41, 137, 197, 779, 2603, 3743, 5617, 8077, 26989, 106723, 153463, 512791, 1106549, 21024431]

約数ペア:

[(1, 21024431), (19, 1106549), (41, 512791), (137, 153463), (197, 106723), (779, 26989), (2603, 8077), (3743, 5617)]