21000331746

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{1931}}^1$

素因数の和:2312

約数の個数: 96

約数和(自身を含む): 48138330240

約数和(自身を除く): 27137998494

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 241, 327, 414, 482, 654, 723, 981, 1446, 1931, 1962, 2169, 2507, 3862, 4338, 5014, 5543, 5793, 7521, 11086, 11586, 15042, 16629, 17379, 22563, 26269, 33258, 34758, 44413, 45126, 49887, 52538, 78807, 88826, 99774, 133239, 157614, 210479, 236421, 266478, 399717, 420958, 465371, 472842, 604187, 631437, 799434, 930742, 1208374, 1262874, 1396113, 1812561, 1894311, 2792226, 3625122, 3788622, 4188339, 4841017, 5437683, 8376678, 9682034, 10703533, 10875366, 14523051, 21407066, 29046102, 32110599, 43569153, 50725439, 64221198, 87138306, 96331797, 101450878, 152176317, 192663594, 304352634, 456528951, 913057902, 1166685097, 2333370194, 3500055291, 7000110582, 10500165873, 21000331746]

約数ペア:

[(1, 21000331746), (2, 10500165873), (3, 7000110582), (6, 3500055291), (9, 2333370194), (18, 1166685097), (23, 913057902), (46, 456528951), (69, 304352634), (109, 192663594), (138, 152176317), (207, 101450878), (218, 96331797), (241, 87138306), (327, 64221198), (414, 50725439), (482, 43569153), (654, 32110599), (723, 29046102), (981, 21407066), (1446, 14523051), (1931, 10875366), (1962, 10703533), (2169, 9682034), (2507, 8376678), (3862, 5437683), (4338, 4841017), (5014, 4188339), (5543, 3788622), (5793, 3625122), (7521, 2792226), (11086, 1894311), (11586, 1812561), (15042, 1396113), (16629, 1262874), (17379, 1208374), (22563, 930742), (26269, 799434), (33258, 631437), (34758, 604187), (44413, 472842), (45126, 465371), (49887, 420958), (52538, 399717), (78807, 266478), (88826, 236421), (99774, 210479), (133239, 157614)]