21579432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128449}}^1$

素因数の和:128465

約数の個数: 32

約数和(自身を含む): 61656000

約数和(自身を除く): 40076568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128449, 256898, 385347, 513796, 770694, 899143, 1027592, 1541388, 1798286, 2697429, 3082776, 3596572, 5394858, 7193144, 10789716, 21579432]

約数ペア:

[(1, 21579432), (2, 10789716), (3, 7193144), (4, 5394858), (6, 3596572), (7, 3082776), (8, 2697429), (12, 1798286), (14, 1541388), (21, 1027592), (24, 899143), (28, 770694), (42, 513796), (56, 385347), (84, 256898), (168, 128449)]