21279846500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{351733}}^1$

素因数の和:351774

約数の個数: 72

約数和(自身を含む): 51084439224

約数和(自身を除く): 29804592724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 484, 500, 550, 605, 1100, 1210, 1375, 2420, 2750, 3025, 5500, 6050, 12100, 15125, 30250, 60500, 351733, 703466, 1406932, 1758665, 3517330, 3869063, 7034660, 7738126, 8793325, 15476252, 17586650, 19345315, 35173300, 38690630, 42559693, 43966625, 77381260, 85119386, 87933250, 96726575, 170238772, 175866500, 193453150, 212798465, 386906300, 425596930, 483632875, 851193860, 967265750, 1063992325, 1934531500, 2127984650, 4255969300, 5319961625, 10639923250, 21279846500]

約数ペア:

[(1, 21279846500), (2, 10639923250), (4, 5319961625), (5, 4255969300), (10, 2127984650), (11, 1934531500), (20, 1063992325), (22, 967265750), (25, 851193860), (44, 483632875), (50, 425596930), (55, 386906300), (100, 212798465), (110, 193453150), (121, 175866500), (125, 170238772), (220, 96726575), (242, 87933250), (250, 85119386), (275, 77381260), (484, 43966625), (500, 42559693), (550, 38690630), (605, 35173300), (1100, 19345315), (1210, 17586650), (1375, 15476252), (2420, 8793325), (2750, 7738126), (3025, 7034660), (5500, 3869063), (6050, 3517330), (12100, 1758665), (15125, 1406932), (30250, 703466), (60500, 351733)]