21541288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141719}}^1$

素因数の和:141744

約数の個数: 16

約数和(自身を含む): 42516000

約数和(自身を除く): 20974712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141719, 283438, 566876, 1133752, 2692661, 5385322, 10770644, 21541288]

約数ペア:

[(1, 21541288), (2, 10770644), (4, 5385322), (8, 2692661), (19, 1133752), (38, 566876), (76, 283438), (152, 141719)]