21030580

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4513}}^1$

素因数の和:4755

約数の個数: 24

約数和(自身を含む): 44363592

約数和(自身を除く): 23333012

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4513, 4660, 9026, 18052, 22565, 45130, 90260, 1051529, 2103058, 4206116, 5257645, 10515290, 21030580]

約数ペア:

[(1, 21030580), (2, 10515290), (4, 5257645), (5, 4206116), (10, 2103058), (20, 1051529), (233, 90260), (466, 45130), (932, 22565), (1165, 18052), (2330, 9026), (4513, 4660)]