21084312072

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1\times {\mathrm{5869}}^1$

素因数の和:6886

約数の個数: 64

約数和(自身を含む): 53075131200

約数和(自身を除く): 31990819128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 827, 1086, 1448, 1654, 2172, 2481, 3308, 4344, 4962, 5869, 6616, 9924, 11738, 17607, 19848, 23476, 35214, 46952, 70428, 140856, 149687, 299374, 449061, 598748, 898122, 1062289, 1197496, 1796244, 2124578, 3186867, 3592488, 4249156, 4853663, 6373734, 8498312, 9707326, 12747468, 14560989, 19414652, 25494936, 29121978, 38829304, 58243956, 116487912, 878513003, 1757026006, 2635539009, 3514052012, 5271078018, 7028104024, 10542156036, 21084312072]

約数ペア:

[(1, 21084312072), (2, 10542156036), (3, 7028104024), (4, 5271078018), (6, 3514052012), (8, 2635539009), (12, 1757026006), (24, 878513003), (181, 116487912), (362, 58243956), (543, 38829304), (724, 29121978), (827, 25494936), (1086, 19414652), (1448, 14560989), (1654, 12747468), (2172, 9707326), (2481, 8498312), (3308, 6373734), (4344, 4853663), (4962, 4249156), (5869, 3592488), (6616, 3186867), (9924, 2124578), (11738, 1796244), (17607, 1197496), (19848, 1062289), (23476, 898122), (35214, 598748), (46952, 449061), (70428, 299374), (140856, 149687)]