21004515496

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1947

約数の個数: 96

約数和(自身を含む): 42837900840

約数和(自身を除く): 21833385344

約数列:

[1, 2, 4, 8, 31, 37, 41, 62, 74, 82, 124, 148, 164, 248, 296, 328, 961, 1147, 1271, 1517, 1801, 1922, 2294, 2542, 3034, 3602, 3844, 4588, 5084, 6068, 7204, 7688, 9176, 10168, 12136, 14408, 35557, 39401, 47027, 55831, 66637, 71114, 73841, 78802, 94054, 111662, 133274, 142228, 147682, 157604, 188108, 223324, 266548, 284456, 295364, 315208, 376216, 446648, 533096, 590728, 1457837, 1730761, 2065747, 2289071, 2732117, 2915674, 3461522, 4131494, 4578142, 5464234, 5831348, 6923044, 8262988, 9156284, 10928468, 11662696, 13846088, 16525976, 18312568, 21856936, 64038157, 70961201, 84695627, 128076314, 141922402, 169391254, 256152628, 283844804, 338782508, 512305256, 567689608, 677565016, 2625564437, 5251128874, 10502257748, 21004515496]

約数ペア:

[(1, 21004515496), (2, 10502257748), (4, 5251128874), (8, 2625564437), (31, 677565016), (37, 567689608), (41, 512305256), (62, 338782508), (74, 283844804), (82, 256152628), (124, 169391254), (148, 141922402), (164, 128076314), (248, 84695627), (296, 70961201), (328, 64038157), (961, 21856936), (1147, 18312568), (1271, 16525976), (1517, 13846088), (1801, 11662696), (1922, 10928468), (2294, 9156284), (2542, 8262988), (3034, 6923044), (3602, 5831348), (3844, 5464234), (4588, 4578142), (5084, 4131494), (6068, 3461522), (7204, 2915674), (7688, 2732117), (9176, 2289071), (10168, 2065747), (12136, 1730761), (14408, 1457837), (35557, 590728), (39401, 533096), (47027, 446648), (55831, 376216), (66637, 315208), (71114, 295364), (73841, 284456), (78802, 266548), (94054, 223324), (111662, 188108), (133274, 157604), (142228, 147682)]