21293800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9679}}^1$

素因数の和:9706

約数の個数: 48

約数和(自身を含む): 54014400

約数和(自身を除く): 32720600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9679, 19358, 38716, 48395, 77432, 96790, 106469, 193580, 212938, 241975, 387160, 425876, 483950, 532345, 851752, 967900, 1064690, 1935800, 2129380, 2661725, 4258760, 5323450, 10646900, 21293800]

約数ペア:

[(1, 21293800), (2, 10646900), (4, 5323450), (5, 4258760), (8, 2661725), (10, 2129380), (11, 1935800), (20, 1064690), (22, 967900), (25, 851752), (40, 532345), (44, 483950), (50, 425876), (55, 387160), (88, 241975), (100, 212938), (110, 193580), (200, 106469), (220, 96790), (275, 77432), (440, 48395), (550, 38716), (1100, 19358), (2200, 9679)]