21000891296

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{160813}}^1$

素因数の和:160894

約数の個数: 96

約数和(自身を含む): 52520565888

約数和(自身を除く): 31519674592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 53, 56, 77, 88, 106, 112, 154, 176, 212, 224, 308, 352, 371, 424, 583, 616, 742, 848, 1166, 1232, 1484, 1696, 2332, 2464, 2968, 4081, 4664, 5936, 8162, 9328, 11872, 16324, 18656, 32648, 65296, 130592, 160813, 321626, 643252, 1125691, 1286504, 1768943, 2251382, 2573008, 3537886, 4502764, 5146016, 7075772, 8523089, 9005528, 12382601, 14151544, 17046178, 18011056, 24765202, 28303088, 34092356, 36022112, 49530404, 56606176, 59661623, 68184712, 93753979, 99060808, 119323246, 136369424, 187507958, 198121616, 238646492, 272738848, 375015916, 396243232, 477292984, 656277853, 750031832, 954585968, 1312555706, 1500063664, 1909171936, 2625111412, 3000127328, 5250222824, 10500445648, 21000891296]

約数ペア:

[(1, 21000891296), (2, 10500445648), (4, 5250222824), (7, 3000127328), (8, 2625111412), (11, 1909171936), (14, 1500063664), (16, 1312555706), (22, 954585968), (28, 750031832), (32, 656277853), (44, 477292984), (53, 396243232), (56, 375015916), (77, 272738848), (88, 238646492), (106, 198121616), (112, 187507958), (154, 136369424), (176, 119323246), (212, 99060808), (224, 93753979), (308, 68184712), (352, 59661623), (371, 56606176), (424, 49530404), (583, 36022112), (616, 34092356), (742, 28303088), (848, 24765202), (1166, 18011056), (1232, 17046178), (1484, 14151544), (1696, 12382601), (2332, 9005528), (2464, 8523089), (2968, 7075772), (4081, 5146016), (4664, 4502764), (5936, 3537886), (8162, 2573008), (9328, 2251382), (11872, 1768943), (16324, 1286504), (18656, 1125691), (32648, 643252), (65296, 321626), (130592, 160813)]