21382263

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9173}}^1$

素因数の和:9223

約数の個数: 24

約数和(自身を含む): 36255648

約数和(自身を除く): 14873385

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 9173, 27519, 64211, 82557, 192633, 339401, 577899, 1018203, 2375807, 3054609, 7127421, 21382263]

約数ペア:

[(1, 21382263), (3, 7127421), (7, 3054609), (9, 2375807), (21, 1018203), (37, 577899), (63, 339401), (111, 192633), (259, 82557), (333, 64211), (777, 27519), (2331, 9173)]