21170208

素因数分解:

$2^5\times 3^1\times {\mathrm{103}}^1\times {\mathrm{2141}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 56137536

約数和(自身を除く): 34967328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 103, 206, 309, 412, 618, 824, 1236, 1648, 2141, 2472, 3296, 4282, 4944, 6423, 8564, 9888, 12846, 17128, 25692, 34256, 51384, 68512, 102768, 205536, 220523, 441046, 661569, 882092, 1323138, 1764184, 2646276, 3528368, 5292552, 7056736, 10585104, 21170208]

約数ペア:

[(1, 21170208), (2, 10585104), (3, 7056736), (4, 5292552), (6, 3528368), (8, 2646276), (12, 1764184), (16, 1323138), (24, 882092), (32, 661569), (48, 441046), (96, 220523), (103, 205536), (206, 102768), (309, 68512), (412, 51384), (618, 34256), (824, 25692), (1236, 17128), (1648, 12846), (2141, 9888), (2472, 8564), (3296, 6423), (4282, 4944)]