16890972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{953}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 45303552

約数和(自身を除く): 28412580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 953, 1266, 1477, 1906, 2532, 2859, 2954, 3812, 4431, 5718, 5908, 6671, 8862, 11436, 13342, 17724, 20013, 26684, 40026, 80052, 201083, 402166, 603249, 804332, 1206498, 1407581, 2412996, 2815162, 4222743, 5630324, 8445486, 16890972]

約数ペア:

[(1, 16890972), (2, 8445486), (3, 5630324), (4, 4222743), (6, 2815162), (7, 2412996), (12, 1407581), (14, 1206498), (21, 804332), (28, 603249), (42, 402166), (84, 201083), (211, 80052), (422, 40026), (633, 26684), (844, 20013), (953, 17724), (1266, 13342), (1477, 11436), (1906, 8862), (2532, 6671), (2859, 5908), (2954, 5718), (3812, 4431)]