21731352

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 34428648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 103, 118, 149, 177, 206, 236, 298, 309, 354, 412, 447, 472, 596, 618, 708, 824, 894, 1192, 1236, 1416, 1788, 2472, 3576, 6077, 8791, 12154, 15347, 17582, 18231, 24308, 26373, 30694, 35164, 36462, 46041, 48616, 52746, 61388, 70328, 72924, 92082, 105492, 122776, 145848, 184164, 210984, 368328, 905473, 1810946, 2716419, 3621892, 5432838, 7243784, 10865676, 21731352]

約数ペア:

[(1, 21731352), (2, 10865676), (3, 7243784), (4, 5432838), (6, 3621892), (8, 2716419), (12, 1810946), (24, 905473), (59, 368328), (103, 210984), (118, 184164), (149, 145848), (177, 122776), (206, 105492), (236, 92082), (298, 72924), (309, 70328), (354, 61388), (412, 52746), (447, 48616), (472, 46041), (596, 36462), (618, 35164), (708, 30694), (824, 26373), (894, 24308), (1192, 18231), (1236, 17582), (1416, 15347), (1788, 12154), (2472, 8791), (3576, 6077)]