21853629

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18257}}^1$

素因数の和:18289

約数の個数: 24

約数和(自身を含む): 37976640

約数和(自身を除く): 16123011

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 18257, 54771, 127799, 164313, 346883, 383397, 1040649, 1150191, 2428181, 3121947, 7284543, 21853629]

約数ペア:

[(1, 21853629), (3, 7284543), (7, 3121947), (9, 2428181), (19, 1150191), (21, 1040649), (57, 383397), (63, 346883), (133, 164313), (171, 127799), (399, 54771), (1197, 18257)]