21062956

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 37900800

約数和(自身を除く): 16837844

約数列:

[1, 2, 4, 47, 94, 188, 199, 398, 563, 796, 1126, 2252, 9353, 18706, 26461, 37412, 52922, 105844, 112037, 224074, 448148, 5265739, 10531478, 21062956]

約数ペア:

[(1, 21062956), (2, 10531478), (4, 5265739), (47, 448148), (94, 224074), (188, 112037), (199, 105844), (398, 52922), (563, 37412), (796, 26461), (1126, 18706), (2252, 9353)]