21755362832

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:577

約数の個数: 160

約数和(自身を含む): 50126148864

約数和(自身を除く): 28370786032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 101, 106, 112, 131, 202, 212, 262, 277, 371, 404, 424, 524, 554, 707, 742, 808, 848, 917, 1048, 1108, 1414, 1484, 1616, 1834, 1939, 2096, 2216, 2828, 2968, 3668, 3878, 4432, 5353, 5656, 5936, 6943, 7336, 7756, 10706, 11312, 13231, 13886, 14672, 14681, 15512, 21412, 26462, 27772, 27977, 29362, 31024, 36287, 37471, 42824, 48601, 52924, 55544, 55954, 58724, 72574, 74942, 85648, 92617, 97202, 102767, 105848, 111088, 111908, 117448, 145148, 149884, 185234, 194404, 195839, 205534, 211696, 223816, 234896, 254009, 290296, 299768, 370468, 388808, 391678, 411068, 447632, 508018, 580592, 599536, 701243, 740936, 777616, 783356, 822136, 1016036, 1402486, 1481872, 1482781, 1566712, 1644272, 1923211, 2032072, 2804972, 2965562, 3133424, 3664987, 3846422, 4064144, 4908701, 5609944, 5931124, 7329974, 7692844, 9817402, 10379467, 11219888, 11862248, 13462477, 14659948, 15385688, 19634804, 20758934, 23724496, 25654909, 26924954, 29319896, 30771376, 39269608, 41517868, 51309818, 53849908, 58639792, 78539216, 83035736, 102619636, 107699816, 166071472, 194244311, 205239272, 215399632, 388488622, 410478544, 776977244, 1359710177, 1553954488, 2719420354, 3107908976, 5438840708, 10877681416, 21755362832]

約数ペア:

[(1, 21755362832), (2, 10877681416), (4, 5438840708), (7, 3107908976), (8, 2719420354), (14, 1553954488), (16, 1359710177), (28, 776977244), (53, 410478544), (56, 388488622), (101, 215399632), (106, 205239272), (112, 194244311), (131, 166071472), (202, 107699816), (212, 102619636), (262, 83035736), (277, 78539216), (371, 58639792), (404, 53849908), (424, 51309818), (524, 41517868), (554, 39269608), (707, 30771376), (742, 29319896), (808, 26924954), (848, 25654909), (917, 23724496), (1048, 20758934), (1108, 19634804), (1414, 15385688), (1484, 14659948), (1616, 13462477), (1834, 11862248), (1939, 11219888), (2096, 10379467), (2216, 9817402), (2828, 7692844), (2968, 7329974), (3668, 5931124), (3878, 5609944), (4432, 4908701), (5353, 4064144), (5656, 3846422), (5936, 3664987), (6943, 3133424), (7336, 2965562), (7756, 2804972), (10706, 2032072), (11312, 1923211), (13231, 1644272), (13886, 1566712), (14672, 1482781), (14681, 1481872), (15512, 1402486), (21412, 1016036), (26462, 822136), (27772, 783356), (27977, 777616), (29362, 740936), (31024, 701243), (36287, 599536), (37471, 580592), (42824, 508018), (48601, 447632), (52924, 411068), (55544, 391678), (55954, 388808), (58724, 370468), (72574, 299768), (74942, 290296), (85648, 254009), (92617, 234896), (97202, 223816), (102767, 211696), (105848, 205534), (111088, 195839), (111908, 194404), (117448, 185234), (145148, 149884)]