21290346

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15361}}^1$

素因数の和:15387

約数の個数: 48

約数和(自身を含む): 57515328

約数和(自身を除く): 36224982

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15361, 30722, 46083, 92166, 107527, 138249, 168971, 215054, 276498, 322581, 337942, 506913, 645162, 967743, 1013826, 1182797, 1520739, 1935486, 2365594, 3041478, 3548391, 7096782, 10645173, 21290346]

約数ペア:

[(1, 21290346), (2, 10645173), (3, 7096782), (6, 3548391), (7, 3041478), (9, 2365594), (11, 1935486), (14, 1520739), (18, 1182797), (21, 1013826), (22, 967743), (33, 645162), (42, 506913), (63, 337942), (66, 322581), (77, 276498), (99, 215054), (126, 168971), (154, 138249), (198, 107527), (231, 92166), (462, 46083), (693, 30722), (1386, 15361)]