21538549764

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2621}}^1\times {\mathrm{3407}}^1$

素因数の和:6105

約数の個数: 72

約数和(自身を含む): 55294581888

約数和(自身を除く): 33756032124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 2621, 3407, 5242, 6814, 7863, 10221, 10484, 13628, 15726, 20442, 23589, 30663, 31452, 40884, 47178, 61326, 94356, 122652, 175607, 228269, 351214, 456538, 526821, 684807, 702428, 913076, 1053642, 1369614, 1580463, 2054421, 2107284, 2739228, 3160926, 4108842, 6321852, 8217684, 8929747, 17859494, 26789241, 35718988, 53578482, 80367723, 107156964, 160735446, 321470892, 598293049, 1196586098, 1794879147, 2393172196, 3589758294, 5384637441, 7179516588, 10769274882, 21538549764]

約数ペア:

[(1, 21538549764), (2, 10769274882), (3, 7179516588), (4, 5384637441), (6, 3589758294), (9, 2393172196), (12, 1794879147), (18, 1196586098), (36, 598293049), (67, 321470892), (134, 160735446), (201, 107156964), (268, 80367723), (402, 53578482), (603, 35718988), (804, 26789241), (1206, 17859494), (2412, 8929747), (2621, 8217684), (3407, 6321852), (5242, 4108842), (6814, 3160926), (7863, 2739228), (10221, 2107284), (10484, 2054421), (13628, 1580463), (15726, 1369614), (20442, 1053642), (23589, 913076), (30663, 702428), (31452, 684807), (40884, 526821), (47178, 456538), (61326, 351214), (94356, 228269), (122652, 175607)]