21096443090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111033911}}^1$

素因数の和:111033937

約数の個数: 16

約数和(自身を含む): 39972208320

約数和(自身を除く): 18875765230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 111033911, 222067822, 555169555, 1110339110, 2109644309, 4219288618, 10548221545, 21096443090]

約数ペア:

[(1, 21096443090), (2, 10548221545), (5, 4219288618), (10, 2109644309), (19, 1110339110), (38, 555169555), (95, 222067822), (190, 111033911)]