21613680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2729}}^1$

素因数の和:2759

約数の個数: 120

約数和(自身を含む): 79213680

約数和(自身を除く): 57600000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 2729, 3960, 5458, 7920, 8187, 10916, 13645, 16374, 21832, 24561, 27290, 30019, 32748, 40935, 43664, 49122, 54580, 60038, 65496, 81870, 90057, 98244, 109160, 120076, 122805, 130992, 150095, 163740, 180114, 196488, 218320, 240152, 245610, 270171, 300190, 327480, 360228, 392976, 450285, 480304, 491220, 540342, 600380, 654960, 720456, 900570, 982440, 1080684, 1200760, 1350855, 1440912, 1801140, 1964880, 2161368, 2401520, 2701710, 3602280, 4322736, 5403420, 7204560, 10806840, 21613680]

約数ペア:

[(1, 21613680), (2, 10806840), (3, 7204560), (4, 5403420), (5, 4322736), (6, 3602280), (8, 2701710), (9, 2401520), (10, 2161368), (11, 1964880), (12, 1801140), (15, 1440912), (16, 1350855), (18, 1200760), (20, 1080684), (22, 982440), (24, 900570), (30, 720456), (33, 654960), (36, 600380), (40, 540342), (44, 491220), (45, 480304), (48, 450285), (55, 392976), (60, 360228), (66, 327480), (72, 300190), (80, 270171), (88, 245610), (90, 240152), (99, 218320), (110, 196488), (120, 180114), (132, 163740), (144, 150095), (165, 130992), (176, 122805), (180, 120076), (198, 109160), (220, 98244), (240, 90057), (264, 81870), (330, 65496), (360, 60038), (396, 54580), (440, 49122), (495, 43664), (528, 40935), (660, 32748), (720, 30019), (792, 27290), (880, 24561), (990, 21832), (1320, 16374), (1584, 13645), (1980, 10916), (2640, 8187), (2729, 7920), (3960, 5458)]