21000314858

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1\times {\mathrm{177797}}^1$

素因数の和:178681

約数の個数: 16

約数和(自身を含む): 31971636360

約数和(自身を除く): 10971321502

約数列:

[1, 2, 73, 146, 809, 1618, 59057, 118114, 177797, 355594, 12979181, 25958362, 143837773, 287675546, 10500157429, 21000314858]

約数ペア:

[(1, 21000314858), (2, 10500157429), (73, 287675546), (146, 143837773), (809, 25958362), (1618, 12979181), (59057, 355594), (118114, 177797)]