21403432

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 20975768

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1307, 2047, 2614, 4094, 5228, 8188, 10456, 16376, 30061, 60122, 116323, 120244, 232646, 240488, 465292, 930584, 2675429, 5350858, 10701716, 21403432]

約数ペア:

[(1, 21403432), (2, 10701716), (4, 5350858), (8, 2675429), (23, 930584), (46, 465292), (89, 240488), (92, 232646), (178, 120244), (184, 116323), (356, 60122), (712, 30061), (1307, 16376), (2047, 10456), (2614, 8188), (4094, 5228)]