21394716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254699}}^1$

素因数の和:254713

約数の個数: 24

約数和(自身を含む): 57052800

約数和(自身を除く): 35658084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254699, 509398, 764097, 1018796, 1528194, 1782893, 3056388, 3565786, 5348679, 7131572, 10697358, 21394716]

約数ペア:

[(1, 21394716), (2, 10697358), (3, 7131572), (4, 5348679), (6, 3565786), (7, 3056388), (12, 1782893), (14, 1528194), (21, 1018796), (28, 764097), (42, 509398), (84, 254699)]