21271450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22391}}^1$

素因数の和:22422

約数の個数: 24

約数和(自身を含む): 41649120

約数和(自身を除く): 20377670

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22391, 44782, 111955, 223910, 425429, 559775, 850858, 1119550, 2127145, 4254290, 10635725, 21271450]

約数ペア:

[(1, 21271450), (2, 10635725), (5, 4254290), (10, 2127145), (19, 1119550), (25, 850858), (38, 559775), (50, 425429), (95, 223910), (190, 111955), (475, 44782), (950, 22391)]