21429848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243521}}^1$

素因数の和:243538

約数の個数: 16

約数和(自身を含む): 43833960

約数和(自身を除く): 22404112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243521, 487042, 974084, 1948168, 2678731, 5357462, 10714924, 21429848]

約数ペア:

[(1, 21429848), (2, 10714924), (4, 5357462), (8, 2678731), (11, 1948168), (22, 974084), (44, 487042), (88, 243521)]