21804468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259577}}^1$

素因数の和:259591

約数の個数: 24

約数和(自身を含む): 58145472

約数和(自身を除く): 36341004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259577, 519154, 778731, 1038308, 1557462, 1817039, 3114924, 3634078, 5451117, 7268156, 10902234, 21804468]

約数ペア:

[(1, 21804468), (2, 10902234), (3, 7268156), (4, 5451117), (6, 3634078), (7, 3114924), (12, 1817039), (14, 1557462), (21, 1038308), (28, 778731), (42, 519154), (84, 259577)]