21427984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46181}}^1$

素因数の和:46218

約数の個数: 20

約数和(自身を含む): 42949260

約数和(自身を除く): 21521276

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46181, 92362, 184724, 369448, 738896, 1339249, 2678498, 5356996, 10713992, 21427984]

約数ペア:

[(1, 21427984), (2, 10713992), (4, 5356996), (8, 2678498), (16, 1339249), (29, 738896), (58, 369448), (116, 184724), (232, 92362), (464, 46181)]