21140312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6047}}^1$

素因数の和:6095

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22405288

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 6047, 12094, 24188, 48376, 114893, 139081, 229786, 278162, 459572, 556324, 919144, 1112648, 2642539, 5285078, 10570156, 21140312]

約数ペア:

[(1, 21140312), (2, 10570156), (4, 5285078), (8, 2642539), (19, 1112648), (23, 919144), (38, 556324), (46, 459572), (76, 278162), (92, 229786), (152, 139081), (184, 114893), (437, 48376), (874, 24188), (1748, 12094), (3496, 6047)]