21124832

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 22057888

約数列:

[1, 2, 4, 8, 16, 32, 59, 67, 118, 134, 167, 236, 268, 334, 472, 536, 668, 944, 1072, 1336, 1888, 2144, 2672, 3953, 5344, 7906, 9853, 11189, 15812, 19706, 22378, 31624, 39412, 44756, 63248, 78824, 89512, 126496, 157648, 179024, 315296, 358048, 660151, 1320302, 2640604, 5281208, 10562416, 21124832]

約数ペア:

[(1, 21124832), (2, 10562416), (4, 5281208), (8, 2640604), (16, 1320302), (32, 660151), (59, 358048), (67, 315296), (118, 179024), (134, 157648), (167, 126496), (236, 89512), (268, 78824), (334, 63248), (472, 44756), (536, 39412), (668, 31624), (944, 22378), (1072, 19706), (1336, 15812), (1888, 11189), (2144, 9853), (2672, 7906), (3953, 5344)]