2104.000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 2044224

約数和(自身を除く): 1428444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 311, 330, 396, 495, 622, 660, 933, 990, 1244, 1555, 1866, 1980, 2799, 3110, 3421, 3732, 4665, 5598, 6220, 6842, 9330, 10263, 11196, 13684, 13995, 17105, 18660, 20526, 27990, 30789, 34210, 41052, 51315, 55980, 61578, 68420, 102630, 123156, 153945, 205260, 307890, 615780]

約数ペア:

[(1, 615780), (2, 307890), (3, 205260), (4, 153945), (5, 123156), (6, 102630), (9, 68420), (10, 61578), (11, 55980), (12, 51315), (15, 41052), (18, 34210), (20, 30789), (22, 27990), (30, 20526), (33, 18660), (36, 17105), (44, 13995), (45, 13684), (55, 11196), (60, 10263), (66, 9330), (90, 6842), (99, 6220), (110, 5598), (132, 4665), (165, 3732), (180, 3421), (198, 3110), (220, 2799), (311, 1980), (330, 1866), (396, 1555), (495, 1244), (622, 990), (660, 933)]