21241000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1963

約数の個数: 64

約数和(自身を含む): 54250560

約数和(自身を除く): 33009560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 1931, 2200, 2750, 3862, 5500, 7724, 9655, 11000, 15448, 19310, 21241, 38620, 42482, 48275, 77240, 84964, 96550, 106205, 169928, 193100, 212410, 241375, 386200, 424820, 482750, 531025, 849640, 965500, 1062050, 1931000, 2124100, 2655125, 4248200, 5310250, 10620500, 21241000]

約数ペア:

[(1, 21241000), (2, 10620500), (4, 5310250), (5, 4248200), (8, 2655125), (10, 2124100), (11, 1931000), (20, 1062050), (22, 965500), (25, 849640), (40, 531025), (44, 482750), (50, 424820), (55, 386200), (88, 241375), (100, 212410), (110, 193100), (125, 169928), (200, 106205), (220, 96550), (250, 84964), (275, 77240), (440, 48275), (500, 42482), (550, 38620), (1000, 21241), (1100, 19310), (1375, 15448), (1931, 11000), (2200, 9655), (2750, 7724), (3862, 5500)]