21397266

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2111

約数の個数: 48

約数和(自身を含む): 51554880

約数和(自身を除く): 30157614

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 159, 198, 318, 477, 583, 954, 1166, 1749, 2039, 3498, 4078, 5247, 6117, 10494, 12234, 18351, 22429, 36702, 44858, 67287, 108067, 134574, 201861, 216134, 324201, 403722, 648402, 972603, 1188737, 1945206, 2377474, 3566211, 7132422, 10698633, 21397266]

約数ペア:

[(1, 21397266), (2, 10698633), (3, 7132422), (6, 3566211), (9, 2377474), (11, 1945206), (18, 1188737), (22, 972603), (33, 648402), (53, 403722), (66, 324201), (99, 216134), (106, 201861), (159, 134574), (198, 108067), (318, 67287), (477, 44858), (583, 36702), (954, 22429), (1166, 18351), (1749, 12234), (2039, 10494), (3498, 6117), (4078, 5247)]