21013108824

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{309271}}^1$

素因数の和:309448

約数の個数: 64

約数和(自身を含む): 55668960000

約数和(自身を除く): 34655851176

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 149, 152, 228, 298, 447, 456, 596, 894, 1192, 1788, 2831, 3576, 5662, 8493, 11324, 16986, 22648, 33972, 67944, 309271, 618542, 927813, 1237084, 1855626, 2474168, 3711252, 5876149, 7422504, 11752298, 17628447, 23504596, 35256894, 46081379, 47009192, 70513788, 92162758, 138244137, 141027576, 184325516, 276488274, 368651032, 552976548, 875546201, 1105953096, 1751092402, 2626638603, 3502184804, 5253277206, 7004369608, 10506554412, 21013108824]

約数ペア:

[(1, 21013108824), (2, 10506554412), (3, 7004369608), (4, 5253277206), (6, 3502184804), (8, 2626638603), (12, 1751092402), (19, 1105953096), (24, 875546201), (38, 552976548), (57, 368651032), (76, 276488274), (114, 184325516), (149, 141027576), (152, 138244137), (228, 92162758), (298, 70513788), (447, 47009192), (456, 46081379), (596, 35256894), (894, 23504596), (1192, 17628447), (1788, 11752298), (2831, 7422504), (3576, 5876149), (5662, 3711252), (8493, 2474168), (11324, 1855626), (16986, 1237084), (22648, 927813), (33972, 618542), (67944, 309271)]