21898674

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 57972096

約数和(自身を除く): 36073422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 81, 82, 123, 126, 157, 162, 189, 243, 246, 287, 314, 369, 378, 471, 486, 567, 574, 738, 861, 942, 1099, 1107, 1134, 1413, 1701, 1722, 2198, 2214, 2583, 2826, 3297, 3321, 3402, 4239, 5166, 6437, 6594, 6642, 7749, 8478, 9891, 9963, 12717, 12874, 15498, 19311, 19782, 19926, 23247, 25434, 29673, 38151, 38622, 45059, 46494, 57933, 59346, 69741, 76302, 89019, 90118, 115866, 135177, 139482, 173799, 178038, 267057, 270354, 347598, 405531, 521397, 534114, 811062, 1042794, 1216593, 1564191, 2433186, 3128382, 3649779, 7299558, 10949337, 21898674]

約数ペア:

[(1, 21898674), (2, 10949337), (3, 7299558), (6, 3649779), (7, 3128382), (9, 2433186), (14, 1564191), (18, 1216593), (21, 1042794), (27, 811062), (41, 534114), (42, 521397), (54, 405531), (63, 347598), (81, 270354), (82, 267057), (123, 178038), (126, 173799), (157, 139482), (162, 135177), (189, 115866), (243, 90118), (246, 89019), (287, 76302), (314, 69741), (369, 59346), (378, 57933), (471, 46494), (486, 45059), (567, 38622), (574, 38151), (738, 29673), (861, 25434), (942, 23247), (1099, 19926), (1107, 19782), (1134, 19311), (1413, 15498), (1701, 12874), (1722, 12717), (2198, 9963), (2214, 9891), (2583, 8478), (2826, 7749), (3297, 6642), (3321, 6594), (3402, 6437), (4239, 5166)]