21780791581920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{131071}}^1$

素因数の和:131271

約数の個数: 576

約数和(自身を含む): 83359627739136

約数和(自身を除く): 61578836157216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 137, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 274, 280, 285, 304, 336, 361, 380, 399, 411, 420, 456, 480, 532, 548, 560, 570, 608, 665, 672, 685, 722, 760, 798, 822, 840, 912, 959, 1064, 1083, 1096, 1120, 1140, 1330, 1370, 1444, 1520, 1596, 1644, 1680, 1805, 1824, 1918, 1995, 2055, 2128, 2166, 2192, 2280, 2527, 2603, 2660, 2740, 2877, 2888, 3040, 3192, 3288, 3360, 3610, 3836, 3990, 4110, 4256, 4332, 4384, 4560, 4795, 5054, 5206, 5320, 5415, 5480, 5754, 5776, 6384, 6576, 7220, 7581, 7672, 7809, 7980, 8220, 8664, 9120, 9590, 10108, 10412, 10640, 10830, 10960, 11508, 11552, 12635, 12768, 13015, 13152, 14385, 14440, 15162, 15344, 15618, 15960, 16440, 17328, 18221, 19180, 20216, 20824, 21280, 21660, 21920, 23016, 25270, 26030, 28770, 28880, 30324, 30688, 31236, 31920, 32880, 34656, 36442, 37905, 38360, 39045, 40432, 41648, 43320, 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約数ペア:

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