21000337484

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{591959}}^1$

素因数の和:592158

約数の個数: 36

約数和(自身を含む): 42986951280

約数和(自身を除く): 21986613796

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 362, 724, 1267, 2534, 5068, 8869, 17738, 35476, 591959, 1183918, 2367836, 4143713, 8287426, 16574852, 29005991, 58011982, 107144579, 116023964, 214289158, 428578316, 750012053, 1500024106, 3000048212, 5250084371, 10500168742, 21000337484]

約数ペア:

[(1, 21000337484), (2, 10500168742), (4, 5250084371), (7, 3000048212), (14, 1500024106), (28, 750012053), (49, 428578316), (98, 214289158), (181, 116023964), (196, 107144579), (362, 58011982), (724, 29005991), (1267, 16574852), (2534, 8287426), (5068, 4143713), (8869, 2367836), (17738, 1183918), (35476, 591959)]