21326776

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 41115600

約数和(自身を除く): 19788824

約数列:

[1, 2, 4, 8, 53, 106, 179, 212, 281, 358, 424, 562, 716, 1124, 1432, 2248, 9487, 14893, 18974, 29786, 37948, 50299, 59572, 75896, 100598, 119144, 201196, 402392, 2665847, 5331694, 10663388, 21326776]

約数ペア:

[(1, 21326776), (2, 10663388), (4, 5331694), (8, 2665847), (53, 402392), (106, 201196), (179, 119144), (212, 100598), (281, 75896), (358, 59572), (424, 50299), (562, 37948), (716, 29786), (1124, 18974), (1432, 14893), (2248, 9487)]