21809004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259631}}^1$

素因数の和:259645

約数の個数: 24

約数和(自身を含む): 58157568

約数和(自身を除く): 36348564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259631, 519262, 778893, 1038524, 1557786, 1817417, 3115572, 3634834, 5452251, 7269668, 10904502, 21809004]

約数ペア:

[(1, 21809004), (2, 10904502), (3, 7269668), (4, 5452251), (6, 3634834), (7, 3115572), (12, 1817417), (14, 1557786), (21, 1038524), (28, 778893), (42, 519262), (84, 259631)]