21778350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 60103296

約数和(自身を除く): 38324946

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 67, 75, 110, 134, 150, 165, 197, 201, 275, 330, 335, 394, 402, 550, 591, 670, 737, 825, 985, 1005, 1182, 1474, 1650, 1675, 1970, 2010, 2167, 2211, 2955, 3350, 3685, 4334, 4422, 4925, 5025, 5910, 6501, 7370, 9850, 10050, 10835, 11055, 13002, 13199, 14775, 18425, 21670, 22110, 26398, 29550, 32505, 36850, 39597, 54175, 55275, 65010, 65995, 79194, 108350, 110550, 131990, 145189, 162525, 197985, 290378, 325050, 329975, 395970, 435567, 659950, 725945, 871134, 989925, 1451890, 1979850, 2177835, 3629725, 4355670, 7259450, 10889175, 21778350]

約数ペア:

[(1, 21778350), (2, 10889175), (3, 7259450), (5, 4355670), (6, 3629725), (10, 2177835), (11, 1979850), (15, 1451890), (22, 989925), (25, 871134), (30, 725945), (33, 659950), (50, 435567), (55, 395970), (66, 329975), (67, 325050), (75, 290378), (110, 197985), (134, 162525), (150, 145189), (165, 131990), (197, 110550), (201, 108350), (275, 79194), (330, 65995), (335, 65010), (394, 55275), (402, 54175), (550, 39597), (591, 36850), (670, 32505), (737, 29550), (825, 26398), (985, 22110), (1005, 21670), (1182, 18425), (1474, 14775), (1650, 13199), (1675, 13002), (1970, 11055), (2010, 10835), (2167, 10050), (2211, 9850), (2955, 7370), (3350, 6501), (3685, 5910), (4334, 5025), (4422, 4925)]