21675276

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 68302080

約数和(自身を除く): 46626804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 503, 513, 532, 567, 684, 756, 798, 1006, 1026, 1134, 1197, 1509, 1539, 1596, 2012, 2052, 2268, 2394, 3018, 3078, 3521, 3591, 4527, 4788, 6036, 6156, 7042, 7182, 9054, 9557, 10563, 10773, 13581, 14084, 14364, 18108, 19114, 21126, 21546, 27162, 28671, 31689, 38228, 40743, 42252, 43092, 54324, 57342, 63378, 66899, 81486, 86013, 95067, 114684, 126756, 133798, 162972, 172026, 190134, 200697, 258039, 267596, 285201, 344052, 380268, 401394, 516078, 570402, 602091, 774117, 802788, 1032156, 1140804, 1204182, 1548234, 1806273, 2408364, 3096468, 3612546, 5418819, 7225092, 10837638, 21675276]

約数ペア:

[(1, 21675276), (2, 10837638), (3, 7225092), (4, 5418819), (6, 3612546), (7, 3096468), (9, 2408364), (12, 1806273), (14, 1548234), (18, 1204182), (19, 1140804), (21, 1032156), (27, 802788), (28, 774117), (36, 602091), (38, 570402), (42, 516078), (54, 401394), (57, 380268), (63, 344052), (76, 285201), (81, 267596), (84, 258039), (108, 200697), (114, 190134), (126, 172026), (133, 162972), (162, 133798), (171, 126756), (189, 114684), (228, 95067), (252, 86013), (266, 81486), (324, 66899), (342, 63378), (378, 57342), (399, 54324), (503, 43092), (513, 42252), (532, 40743), (567, 38228), (684, 31689), (756, 28671), (798, 27162), (1006, 21546), (1026, 21126), (1134, 19114), (1197, 18108), (1509, 14364), (1539, 14084), (1596, 13581), (2012, 10773), (2052, 10563), (2268, 9557), (2394, 9054), (3018, 7182), (3078, 7042), (3521, 6156), (3591, 6036), (4527, 4788)]