21186154801

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{808601}}^1$

素因数の和:808824

約数の個数: 16

約数和(自身を含む): 25616511360

約数和(自身を除く): 4430356559

約数列:

[1, 7, 19, 133, 197, 1379, 3743, 26201, 808601, 5660207, 15363419, 107543933, 159294397, 1115060779, 3026593543, 21186154801]

約数ペア:

[(1, 21186154801), (7, 3026593543), (19, 1115060779), (133, 159294397), (197, 107543933), (1379, 15363419), (3743, 5660207), (26201, 808601)]