21356768237

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{52837}}^1$

素因数の和:53037

約数の個数: 24

約数和(自身を含む): 25407257976

約数和(自身を除く): 4050489739

約数列:

[1, 7, 49, 73, 113, 511, 791, 3577, 5537, 8249, 52837, 57743, 369859, 404201, 2589013, 3857101, 5970581, 26999707, 41794067, 188997949, 292558469, 435852413, 3050966891, 21356768237]

約数ペア:

[(1, 21356768237), (7, 3050966891), (49, 435852413), (73, 292558469), (113, 188997949), (511, 41794067), (791, 26999707), (3577, 5970581), (5537, 3857101), (8249, 2589013), (52837, 404201), (57743, 369859)]