21130656

素因数分解:

$2^5\times 3^1\times {\mathrm{103}}^1\times {\mathrm{2137}}^1$

素因数の和:2253

約数の個数: 48

約数和(自身を含む): 56032704

約数和(自身を除く): 34902048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 103, 206, 309, 412, 618, 824, 1236, 1648, 2137, 2472, 3296, 4274, 4944, 6411, 8548, 9888, 12822, 17096, 25644, 34192, 51288, 68384, 102576, 205152, 220111, 440222, 660333, 880444, 1320666, 1760888, 2641332, 3521776, 5282664, 7043552, 10565328, 21130656]

約数ペア:

[(1, 21130656), (2, 10565328), (3, 7043552), (4, 5282664), (6, 3521776), (8, 2641332), (12, 1760888), (16, 1320666), (24, 880444), (32, 660333), (48, 440222), (96, 220111), (103, 205152), (206, 102576), (309, 68384), (412, 51288), (618, 34192), (824, 25644), (1236, 17096), (1648, 12822), (2137, 9888), (2472, 8548), (3296, 6411), (4274, 4944)]