21080322

素因数分解:

$2^1\times 3^2\times {\mathrm{823}}^1\times {\mathrm{1423}}^1$

素因数の和:2254

約数の個数: 24

約数和(自身を含む): 45761664

約数和(自身を除く): 24681342

約数列:

[1, 2, 3, 6, 9, 18, 823, 1423, 1646, 2469, 2846, 4269, 4938, 7407, 8538, 12807, 14814, 25614, 1171129, 2342258, 3513387, 7026774, 10540161, 21080322]

約数ペア:

[(1, 21080322), (2, 10540161), (3, 7026774), (6, 3513387), (9, 2342258), (18, 1171129), (823, 25614), (1423, 14814), (1646, 12807), (2469, 8538), (2846, 7407), (4269, 4938)]