21397200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1653

約数の個数: 120

約数和(自身を含む): 74819616

約数和(自身を除く): 53422416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1621, 1650, 2200, 2640, 3242, 3300, 4400, 4863, 6484, 6600, 8105, 9726, 12968, 13200, 16210, 17831, 19452, 24315, 25936, 32420, 35662, 38904, 40525, 48630, 53493, 64840, 71324, 77808, 81050, 89155, 97260, 106986, 121575, 129680, 142648, 162100, 178310, 194520, 213972, 243150, 267465, 285296, 324200, 356620, 389040, 427944, 445775, 486300, 534930, 648400, 713240, 855888, 891550, 972600, 1069860, 1337325, 1426480, 1783100, 1945200, 2139720, 2674650, 3566200, 4279440, 5349300, 7132400, 10698600, 21397200]

約数ペア:

[(1, 21397200), (2, 10698600), (3, 7132400), (4, 5349300), (5, 4279440), (6, 3566200), (8, 2674650), (10, 2139720), (11, 1945200), (12, 1783100), (15, 1426480), (16, 1337325), (20, 1069860), (22, 972600), (24, 891550), (25, 855888), (30, 713240), (33, 648400), (40, 534930), (44, 486300), (48, 445775), (50, 427944), (55, 389040), (60, 356620), (66, 324200), (75, 285296), (80, 267465), (88, 243150), (100, 213972), (110, 194520), (120, 178310), (132, 162100), (150, 142648), (165, 129680), (176, 121575), (200, 106986), (220, 97260), (240, 89155), (264, 81050), (275, 77808), (300, 71324), (330, 64840), (400, 53493), (440, 48630), (528, 40525), (550, 38904), (600, 35662), (660, 32420), (825, 25936), (880, 24315), (1100, 19452), (1200, 17831), (1320, 16210), (1621, 13200), (1650, 12968), (2200, 9726), (2640, 8105), (3242, 6600), (3300, 6484), (4400, 4863)]