21232864

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1$

素因数の和:1747

約数の個数: 48

約数和(自身を含む): 46212768

約数和(自身を除く): 24979904

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1697, 3128, 3394, 6256, 6788, 12512, 13576, 27152, 28849, 39031, 54304, 57698, 78062, 115396, 156124, 230792, 312248, 461584, 624496, 663527, 923168, 1248992, 1327054, 2654108, 5308216, 10616432, 21232864]

約数ペア:

[(1, 21232864), (2, 10616432), (4, 5308216), (8, 2654108), (16, 1327054), (17, 1248992), (23, 923168), (32, 663527), (34, 624496), (46, 461584), (68, 312248), (92, 230792), (136, 156124), (184, 115396), (272, 78062), (368, 57698), (391, 54304), (544, 39031), (736, 28849), (782, 27152), (1564, 13576), (1697, 12512), (3128, 6788), (3394, 6256)]