21008252

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1823}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 38201856

約数和(自身を除く): 17193604

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1823, 2881, 3646, 5762, 7292, 11524, 78389, 122141, 156778, 244282, 313556, 488564, 5252063, 10504126, 21008252]

約数ペア:

[(1, 21008252), (2, 10504126), (4, 5252063), (43, 488564), (67, 313556), (86, 244282), (134, 156778), (172, 122141), (268, 78389), (1823, 11524), (2881, 7292), (3646, 5762)]