21238686

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{2081}}^1$

素因数の和:2108

約数の個数: 56

約数和(自身を含む): 54615024

約数和(自身を除く): 33376338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 2081, 3402, 4162, 5103, 6243, 10206, 12486, 14567, 18729, 29134, 37458, 43701, 56187, 87402, 112374, 131103, 168561, 262206, 337122, 393309, 505683, 786618, 1011366, 1179927, 1517049, 2359854, 3034098, 3539781, 7079562, 10619343, 21238686]

約数ペア:

[(1, 21238686), (2, 10619343), (3, 7079562), (6, 3539781), (7, 3034098), (9, 2359854), (14, 1517049), (18, 1179927), (21, 1011366), (27, 786618), (42, 505683), (54, 393309), (63, 337122), (81, 262206), (126, 168561), (162, 131103), (189, 112374), (243, 87402), (378, 56187), (486, 43701), (567, 37458), (729, 29134), (1134, 18729), (1458, 14567), (1701, 12486), (2081, 10206), (3402, 6243), (4162, 5103)]