21683178

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2731

約数の個数: 48

約数和(自身を含む): 52520832

約数和(自身を除く): 30837654

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 41, 66, 82, 99, 123, 198, 246, 369, 451, 738, 902, 1353, 2671, 2706, 4059, 5342, 8013, 8118, 16026, 24039, 29381, 48078, 58762, 88143, 109511, 176286, 219022, 264429, 328533, 528858, 657066, 985599, 1204621, 1971198, 2409242, 3613863, 7227726, 10841589, 21683178]

約数ペア:

[(1, 21683178), (2, 10841589), (3, 7227726), (6, 3613863), (9, 2409242), (11, 1971198), (18, 1204621), (22, 985599), (33, 657066), (41, 528858), (66, 328533), (82, 264429), (99, 219022), (123, 176286), (198, 109511), (246, 88143), (369, 58762), (451, 48078), (738, 29381), (902, 24039), (1353, 16026), (2671, 8118), (2706, 8013), (4059, 5342)]