21045121921

素因数分解:

${\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1\times {\mathrm{3709}}^1$

素因数の和:4308

約数の個数: 16

約数和(自身を含む): 21443058000

約数和(自身を除く): 397936079

約数列:

[1, 113, 149, 337, 3709, 16837, 38081, 50213, 419117, 552641, 1249933, 5674069, 62448433, 141242429, 186240017, 21045121921]

約数ペア:

[(1, 21045121921), (113, 186240017), (149, 141242429), (337, 62448433), (3709, 5674069), (16837, 1249933), (38081, 552641), (50213, 419117)]