21466820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2029}}^1$

素因数の和:2084

約数の個数: 36

約数和(自身を含む): 47148780

約数和(自身を除く): 25681960

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2029, 2116, 2645, 4058, 5290, 8116, 10145, 10580, 20290, 40580, 46667, 93334, 186668, 233335, 466670, 933340, 1073341, 2146682, 4293364, 5366705, 10733410, 21466820]

約数ペア:

[(1, 21466820), (2, 10733410), (4, 5366705), (5, 4293364), (10, 2146682), (20, 1073341), (23, 933340), (46, 466670), (92, 233335), (115, 186668), (230, 93334), (460, 46667), (529, 40580), (1058, 20290), (2029, 10580), (2116, 10145), (2645, 8116), (4058, 5290)]