21425273260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{427309}}^1$

素因数の和:427450

約数の個数: 48

約数和(自身を含む): 47380132800

約数和(自身を除く): 25954859540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 5014, 10028, 12535, 25070, 50140, 427309, 854618, 1709236, 2136545, 4273090, 8546180, 9828107, 19656214, 39312428, 46576681, 49140535, 93153362, 98281070, 186306724, 196562140, 232883405, 465766810, 931533620, 1071263663, 2142527326, 4285054652, 5356318315, 10712636630, 21425273260]

約数ペア:

[(1, 21425273260), (2, 10712636630), (4, 5356318315), (5, 4285054652), (10, 2142527326), (20, 1071263663), (23, 931533620), (46, 465766810), (92, 232883405), (109, 196562140), (115, 186306724), (218, 98281070), (230, 93153362), (436, 49140535), (460, 46576681), (545, 39312428), (1090, 19656214), (2180, 9828107), (2507, 8546180), (5014, 4273090), (10028, 2136545), (12535, 1709236), (25070, 854618), (50140, 427309)]