21035432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 47347200

約数和(自身を除く): 26311768

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 184, 209, 253, 418, 437, 506, 547, 836, 874, 1012, 1094, 1672, 1748, 2024, 2188, 3496, 4376, 4807, 6017, 9614, 10393, 12034, 12581, 19228, 20786, 24068, 25162, 38456, 41572, 48136, 50324, 83144, 100648, 114323, 138391, 228646, 239039, 276782, 457292, 478078, 553564, 914584, 956156, 1107128, 1912312, 2629429, 5258858, 10517716, 21035432]

約数ペア:

[(1, 21035432), (2, 10517716), (4, 5258858), (8, 2629429), (11, 1912312), (19, 1107128), (22, 956156), (23, 914584), (38, 553564), (44, 478078), (46, 457292), (76, 276782), (88, 239039), (92, 228646), (152, 138391), (184, 114323), (209, 100648), (253, 83144), (418, 50324), (437, 48136), (506, 41572), (547, 38456), (836, 25162), (874, 24068), (1012, 20786), (1094, 19228), (1672, 12581), (1748, 12034), (2024, 10393), (2188, 9614), (3496, 6017), (4376, 4807)]