21570445442

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{70589}}^1$

素因数の和:70707

約数の個数: 64

約数和(自身を含む): 42123594240

約数和(自身を除く): 20553148798

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 73, 91, 146, 161, 182, 299, 322, 511, 598, 949, 1022, 1679, 1898, 2093, 3358, 4186, 6643, 11753, 13286, 21827, 23506, 43654, 70589, 141178, 152789, 305578, 494123, 917657, 988246, 1623547, 1835314, 3247094, 5152997, 6423599, 10305994, 11364829, 12847198, 21106111, 22729658, 36070979, 42212222, 66988961, 72141958, 118518931, 133977922, 147742777, 237037862, 295485554, 468922727, 829632517, 937845454, 1540746103, 1659265034, 3081492206, 10785222721, 21570445442]

約数ペア:

[(1, 21570445442), (2, 10785222721), (7, 3081492206), (13, 1659265034), (14, 1540746103), (23, 937845454), (26, 829632517), (46, 468922727), (73, 295485554), (91, 237037862), (146, 147742777), (161, 133977922), (182, 118518931), (299, 72141958), (322, 66988961), (511, 42212222), (598, 36070979), (949, 22729658), (1022, 21106111), (1679, 12847198), (1898, 11364829), (2093, 10305994), (3358, 6423599), (4186, 5152997), (6643, 3247094), (11753, 1835314), (13286, 1623547), (21827, 988246), (23506, 917657), (43654, 494123), (70589, 305578), (141178, 152789)]