21449968190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{20249}}^1$

素因数の和:20709

約数の個数: 64

約数和(自身を含む): 45431280000

約数和(自身を除く): 23981311810

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 409, 518, 818, 1295, 2045, 2590, 2863, 4090, 5726, 14315, 15133, 20249, 28630, 30266, 40498, 75665, 101245, 105931, 141743, 151330, 202490, 211862, 283486, 529655, 708715, 749213, 1059310, 1417430, 1498426, 3746065, 5244491, 7492130, 8281841, 10488982, 16563682, 26222455, 41409205, 52444910, 57972887, 82818410, 115945774, 289864435, 306428117, 579728870, 612856234, 1532140585, 2144996819, 3064281170, 4289993638, 10724984095, 21449968190]

約数ペア:

[(1, 21449968190), (2, 10724984095), (5, 4289993638), (7, 3064281170), (10, 2144996819), (14, 1532140585), (35, 612856234), (37, 579728870), (70, 306428117), (74, 289864435), (185, 115945774), (259, 82818410), (370, 57972887), (409, 52444910), (518, 41409205), (818, 26222455), (1295, 16563682), (2045, 10488982), (2590, 8281841), (2863, 7492130), (4090, 5244491), (5726, 3746065), (14315, 1498426), (15133, 1417430), (20249, 1059310), (28630, 749213), (30266, 708715), (40498, 529655), (75665, 283486), (101245, 211862), (105931, 202490), (141743, 151330)]