21019871418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{5521}}^1$

素因数の和:5932

約数の個数: 128

約数和(自身を含む): 54622740480

約数和(自身を除く): 33602869062

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 367, 399, 494, 546, 734, 741, 798, 1101, 1482, 1729, 2202, 2569, 3458, 4771, 5138, 5187, 5521, 6973, 7707, 9542, 10374, 11042, 13946, 14313, 15414, 16563, 20919, 28626, 33126, 33397, 38647, 41838, 48811, 66794, 71773, 77294, 90649, 97622, 100191, 104899, 115941, 143546, 146433, 181298, 200382, 209798, 215319, 231882, 271947, 292866, 314697, 430638, 502411, 543894, 629394, 634543, 734293, 1004822, 1269086, 1363687, 1468586, 1507233, 1903629, 2026207, 2202879, 2727374, 3014466, 3807258, 4052414, 4091061, 4405758, 6078621, 8182122, 9545809, 12157242, 14183449, 19091618, 26340691, 28366898, 28637427, 38497933, 42550347, 52681382, 57274854, 76995866, 79022073, 85100694, 115493799, 158044146, 184384837, 230987598, 269485531, 368769674, 500473129, 538971062, 553154511, 808456593, 1000946258, 1106309022, 1501419387, 1616913186, 3002838774, 3503311903, 7006623806, 10509935709, 21019871418]

約数ペア:

[(1, 21019871418), (2, 10509935709), (3, 7006623806), (6, 3503311903), (7, 3002838774), (13, 1616913186), (14, 1501419387), (19, 1106309022), (21, 1000946258), (26, 808456593), (38, 553154511), (39, 538971062), (42, 500473129), (57, 368769674), (78, 269485531), (91, 230987598), (114, 184384837), (133, 158044146), (182, 115493799), (247, 85100694), (266, 79022073), (273, 76995866), (367, 57274854), (399, 52681382), (494, 42550347), (546, 38497933), (734, 28637427), (741, 28366898), (798, 26340691), (1101, 19091618), (1482, 14183449), (1729, 12157242), (2202, 9545809), (2569, 8182122), (3458, 6078621), (4771, 4405758), (5138, 4091061), (5187, 4052414), (5521, 3807258), (6973, 3014466), (7707, 2727374), (9542, 2202879), (10374, 2026207), (11042, 1903629), (13946, 1507233), (14313, 1468586), (15414, 1363687), (16563, 1269086), (20919, 1004822), (28626, 734293), (33126, 634543), (33397, 629394), (38647, 543894), (41838, 502411), (48811, 430638), (66794, 314697), (71773, 292866), (77294, 271947), (90649, 231882), (97622, 215319), (100191, 209798), (104899, 200382), (115941, 181298), (143546, 146433)]