21000401272

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{5051}}^1\times {\mathrm{17921}}^1$

素因数の和:23007

約数の個数: 32

約数和(自身を含む): 40743874800

約数和(自身を除く): 19743473528

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 5051, 10102, 17921, 20204, 35842, 40408, 71684, 143368, 146479, 292958, 519709, 585916, 1039418, 1171832, 2078836, 4157672, 90518971, 181037942, 362075884, 724151768, 2625050159, 5250100318, 10500200636, 21000401272]

約数ペア:

[(1, 21000401272), (2, 10500200636), (4, 5250100318), (8, 2625050159), (29, 724151768), (58, 362075884), (116, 181037942), (232, 90518971), (5051, 4157672), (10102, 2078836), (17921, 1171832), (20204, 1039418), (35842, 585916), (40408, 519709), (71684, 292958), (143368, 146479)]