21019002

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 43319232

約数和(自身を除く): 22300230

約数列:

[1, 2, 3, 6, 43, 86, 129, 257, 258, 317, 514, 634, 771, 951, 1542, 1902, 11051, 13631, 22102, 27262, 33153, 40893, 66306, 81469, 81786, 162938, 244407, 488814, 3503167, 7006334, 10509501, 21019002]

約数ペア:

[(1, 21019002), (2, 10509501), (3, 7006334), (6, 3503167), (43, 488814), (86, 244407), (129, 162938), (257, 81786), (258, 81469), (317, 66306), (514, 40893), (634, 33153), (771, 27262), (951, 22102), (1542, 13631), (1902, 11051)]