21825768

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21149}}^1$

素因数の和:21201

約数の個数: 32

約数和(自身を含む): 55836000

約数和(自身を除く): 34010232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21149, 42298, 63447, 84596, 126894, 169192, 253788, 507576, 909407, 1818814, 2728221, 3637628, 5456442, 7275256, 10912884, 21825768]

約数ペア:

[(1, 21825768), (2, 10912884), (3, 7275256), (4, 5456442), (6, 3637628), (8, 2728221), (12, 1818814), (24, 909407), (43, 507576), (86, 253788), (129, 169192), (172, 126894), (258, 84596), (344, 63447), (516, 42298), (1032, 21149)]