1721707092

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{20641}}^1$

素因数の和:20989

約数の個数: 72

約数和(自身を含む): 4989088832

約数和(自身を除く): 3267381740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 662, 993, 1324, 1986, 2317, 2979, 3972, 4634, 5958, 6951, 9268, 11916, 13902, 20641, 20853, 27804, 41282, 41706, 61923, 82564, 83412, 123846, 144487, 185769, 247692, 288974, 371538, 433461, 577948, 743076, 866922, 1300383, 1733844, 2600766, 5201532, 6832171, 13664342, 20496513, 27328684, 40993026, 47825197, 61489539, 81986052, 95650394, 122979078, 143475591, 191300788, 245958156, 286951182, 430426773, 573902364, 860853546, 1721707092]

約数ペア:

[(1, 1721707092), (2, 860853546), (3, 573902364), (4, 430426773), (6, 286951182), (7, 245958156), (9, 191300788), (12, 143475591), (14, 122979078), (18, 95650394), (21, 81986052), (28, 61489539), (36, 47825197), (42, 40993026), (63, 27328684), (84, 20496513), (126, 13664342), (252, 6832171), (331, 5201532), (662, 2600766), (993, 1733844), (1324, 1300383), (1986, 866922), (2317, 743076), (2979, 577948), (3972, 433461), (4634, 371538), (5958, 288974), (6951, 247692), (9268, 185769), (11916, 144487), (13902, 123846), (20641, 83412), (20853, 82564), (27804, 61923), (41282, 41706)]