21098264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239753}}^1$

素因数の和:239770

約数の個数: 16

約数和(自身を含む): 43155720

約数和(自身を除く): 22057456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239753, 479506, 959012, 1918024, 2637283, 5274566, 10549132, 21098264]

約数ペア:

[(1, 21098264), (2, 10549132), (4, 5274566), (8, 2637283), (11, 1918024), (22, 959012), (44, 479506), (88, 239753)]