21864984

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21187}}^1$

素因数の和:21239

約数の個数: 32

約数和(自身を含む): 55936320

約数和(自身を除く): 34071336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21187, 42374, 63561, 84748, 127122, 169496, 254244, 508488, 911041, 1822082, 2733123, 3644164, 5466246, 7288328, 10932492, 21864984]

約数ペア:

[(1, 21864984), (2, 10932492), (3, 7288328), (4, 5466246), (6, 3644164), (8, 2733123), (12, 1822082), (24, 911041), (43, 508488), (86, 254244), (129, 169496), (172, 127122), (258, 84748), (344, 63561), (516, 42374), (1032, 21187)]