21208730

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 18103270

約数列:

[1, 2, 5, 10, 59, 103, 118, 206, 295, 349, 515, 590, 698, 1030, 1745, 3490, 6077, 12154, 20591, 30385, 35947, 41182, 60770, 71894, 102955, 179735, 205910, 359470, 2120873, 4241746, 10604365, 21208730]

約数ペア:

[(1, 21208730), (2, 10604365), (5, 4241746), (10, 2120873), (59, 359470), (103, 205910), (118, 179735), (206, 102955), (295, 71894), (349, 60770), (515, 41182), (590, 35947), (698, 30385), (1030, 20591), (1745, 12154), (3490, 6077)]