21676948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12401}}^1$

素因数の和:12447

約数の個数: 24

約数和(自身を含む): 41670720

約数和(自身を除く): 19993772

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12401, 24802, 49604, 235619, 285223, 471238, 570446, 942476, 1140892, 5419237, 10838474, 21676948]

約数ペア:

[(1, 21676948), (2, 10838474), (4, 5419237), (19, 1140892), (23, 942476), (38, 570446), (46, 471238), (76, 285223), (92, 235619), (437, 49604), (874, 24802), (1748, 12401)]