21005539072

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{7433}}^1$

素因数の和:7558

約数の個数: 144

約数和(自身を含む): 51055522560

約数和(自身を除く): 30049983488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 83, 112, 128, 133, 152, 166, 224, 256, 266, 304, 332, 448, 532, 581, 608, 664, 896, 1064, 1162, 1216, 1328, 1577, 1792, 2128, 2324, 2432, 2656, 3154, 4256, 4648, 4864, 5312, 6308, 7433, 8512, 9296, 10624, 11039, 12616, 14866, 17024, 18592, 21248, 22078, 25232, 29732, 34048, 37184, 44156, 50464, 52031, 59464, 74368, 88312, 100928, 104062, 118928, 141227, 148736, 176624, 201856, 208124, 237856, 282454, 353248, 403712, 416248, 475712, 564908, 616939, 706496, 832496, 951424, 988589, 1129816, 1233878, 1412992, 1664992, 1902848, 1977178, 2259632, 2467756, 2825984, 3329984, 3954356, 4318573, 4519264, 4935512, 6659968, 7908712, 8637146, 9038528, 9871024, 11721841, 13319936, 15817424, 17274292, 18077056, 19742048, 23443682, 31634848, 34548584, 36154112, 39484096, 46887364, 63269696, 69097168, 78968192, 82052887, 93774728, 126539392, 138194336, 157936384, 164105774, 187549456, 253078784, 276388672, 328211548, 375098912, 552777344, 656423096, 750197824, 1105554688, 1312846192, 1500395648, 2625692384, 3000791296, 5251384768, 10502769536, 21005539072]

約数ペア:

[(1, 21005539072), (2, 10502769536), (4, 5251384768), (7, 3000791296), (8, 2625692384), (14, 1500395648), (16, 1312846192), (19, 1105554688), (28, 750197824), (32, 656423096), (38, 552777344), (56, 375098912), (64, 328211548), (76, 276388672), (83, 253078784), (112, 187549456), (128, 164105774), (133, 157936384), (152, 138194336), (166, 126539392), (224, 93774728), (256, 82052887), (266, 78968192), (304, 69097168), (332, 63269696), (448, 46887364), (532, 39484096), (581, 36154112), (608, 34548584), (664, 31634848), (896, 23443682), (1064, 19742048), (1162, 18077056), (1216, 17274292), (1328, 15817424), (1577, 13319936), (1792, 11721841), (2128, 9871024), (2324, 9038528), (2432, 8637146), (2656, 7908712), (3154, 6659968), (4256, 4935512), (4648, 4519264), (4864, 4318573), (5312, 3954356), (6308, 3329984), (7433, 2825984), (8512, 2467756), (9296, 2259632), (10624, 1977178), (11039, 1902848), (12616, 1664992), (14866, 1412992), (17024, 1233878), (18592, 1129816), (21248, 988589), (22078, 951424), (25232, 832496), (29732, 706496), (34048, 616939), (37184, 564908), (44156, 475712), (50464, 416248), (52031, 403712), (59464, 353248), (74368, 282454), (88312, 237856), (100928, 208124), (104062, 201856), (118928, 176624), (141227, 148736)]