21802674760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{2161}}^1$

素因数の和:2627

約数の個数: 128

約数和(自身を含む): 53503273440

約数和(自身を除く): 31700598680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 401, 629, 680, 740, 802, 1258, 1480, 1604, 2005, 2161, 2516, 3145, 3208, 4010, 4322, 5032, 6290, 6817, 8020, 8644, 10805, 12580, 13634, 14837, 16040, 17288, 21610, 25160, 27268, 29674, 34085, 36737, 43220, 54536, 59348, 68170, 73474, 74185, 79957, 86440, 118696, 136340, 146948, 148370, 159914, 183685, 252229, 272680, 293896, 296740, 319828, 367370, 399785, 504458, 593480, 639656, 734740, 799570, 866561, 1008916, 1261145, 1359269, 1469480, 1599140, 1733122, 2017832, 2522290, 2718538, 3198280, 3466244, 4332805, 5044580, 5437076, 6796345, 6932488, 8665610, 10089160, 10874152, 13592690, 14731537, 17331220, 27185380, 29463074, 32062757, 34662440, 54370760, 58926148, 64125514, 73657685, 117852296, 128251028, 147315370, 160313785, 256502056, 294630740, 320627570, 545066869, 589261480, 641255140, 1090133738, 1282510280, 2180267476, 2725334345, 4360534952, 5450668690, 10901337380, 21802674760]

約数ペア:

[(1, 21802674760), (2, 10901337380), (4, 5450668690), (5, 4360534952), (8, 2725334345), (10, 2180267476), (17, 1282510280), (20, 1090133738), (34, 641255140), (37, 589261480), (40, 545066869), (68, 320627570), (74, 294630740), (85, 256502056), (136, 160313785), (148, 147315370), (170, 128251028), (185, 117852296), (296, 73657685), (340, 64125514), (370, 58926148), (401, 54370760), (629, 34662440), (680, 32062757), (740, 29463074), (802, 27185380), (1258, 17331220), (1480, 14731537), (1604, 13592690), (2005, 10874152), (2161, 10089160), (2516, 8665610), (3145, 6932488), (3208, 6796345), (4010, 5437076), (4322, 5044580), (5032, 4332805), (6290, 3466244), (6817, 3198280), (8020, 2718538), (8644, 2522290), (10805, 2017832), (12580, 1733122), (13634, 1599140), (14837, 1469480), (16040, 1359269), (17288, 1261145), (21610, 1008916), (25160, 866561), (27268, 799570), (29674, 734740), (34085, 639656), (36737, 593480), (43220, 504458), (54536, 399785), (59348, 367370), (68170, 319828), (73474, 296740), (74185, 293896), (79957, 272680), (86440, 252229), (118696, 183685), (136340, 159914), (146948, 148370)]