21132776

素因数分解:

$2^3\times 7^1\times {\mathrm{377371}}^1$

素因数の和:377384

約数の個数: 16

約数和(自身を含む): 45284640

約数和(自身を除く): 24151864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 377371, 754742, 1509484, 2641597, 3018968, 5283194, 10566388, 21132776]

約数ペア:

[(1, 21132776), (2, 10566388), (4, 5283194), (7, 3018968), (8, 2641597), (14, 1509484), (28, 754742), (56, 377371)]