21097334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2111}}^1$

素因数の和:2395

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12356746

約数列:

[1, 2, 19, 38, 263, 526, 2111, 4222, 4997, 9994, 40109, 80218, 555193, 1110386, 10548667, 21097334]

約数ペア:

[(1, 21097334), (2, 10548667), (19, 1110386), (38, 555193), (263, 80218), (526, 40109), (2111, 9994), (4222, 4997)]