21111804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83777}}^1$

素因数の和:83794

約数の個数: 36

約数和(自身を含む): 60990384

約数和(自身を除く): 39878580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83777, 167554, 251331, 335108, 502662, 586439, 753993, 1005324, 1172878, 1507986, 1759317, 2345756, 3015972, 3518634, 5277951, 7037268, 10555902, 21111804]

約数ペア:

[(1, 21111804), (2, 10555902), (3, 7037268), (4, 5277951), (6, 3518634), (7, 3015972), (9, 2345756), (12, 1759317), (14, 1507986), (18, 1172878), (21, 1005324), (28, 753993), (36, 586439), (42, 502662), (63, 335108), (84, 251331), (126, 167554), (252, 83777)]