21941040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8311}}^1$

素因数の和:8338

約数の個数: 80

約数和(自身を含む): 74209536

約数和(自身を除く): 52268496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8311, 16622, 24933, 33244, 41555, 49866, 66488, 83110, 91421, 99732, 124665, 132976, 166220, 182842, 199464, 249330, 274263, 332440, 365684, 398928, 457105, 498660, 548526, 664880, 731368, 914210, 997320, 1097052, 1371315, 1462736, 1828420, 1994640, 2194104, 2742630, 3656840, 4388208, 5485260, 7313680, 10970520, 21941040]

約数ペア:

[(1, 21941040), (2, 10970520), (3, 7313680), (4, 5485260), (5, 4388208), (6, 3656840), (8, 2742630), (10, 2194104), (11, 1994640), (12, 1828420), (15, 1462736), (16, 1371315), (20, 1097052), (22, 997320), (24, 914210), (30, 731368), (33, 664880), (40, 548526), (44, 498660), (48, 457105), (55, 398928), (60, 365684), (66, 332440), (80, 274263), (88, 249330), (110, 199464), (120, 182842), (132, 166220), (165, 132976), (176, 124665), (220, 99732), (240, 91421), (264, 83110), (330, 66488), (440, 49866), (528, 41555), (660, 33244), (880, 24933), (1320, 16622), (2640, 8311)]