21687032

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 42804720

約数和(自身を除く): 21117688

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 164, 296, 328, 1517, 1787, 3034, 3574, 6068, 7148, 12136, 14296, 66119, 73267, 132238, 146534, 264476, 293068, 528952, 586136, 2710879, 5421758, 10843516, 21687032]

約数ペア:

[(1, 21687032), (2, 10843516), (4, 5421758), (8, 2710879), (37, 586136), (41, 528952), (74, 293068), (82, 264476), (148, 146534), (164, 132238), (296, 73267), (328, 66119), (1517, 14296), (1787, 12136), (3034, 7148), (3574, 6068)]