21720432896

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{10399}}^1$

素因数の和:10655

約数の個数: 72

約数和(自身を含む): 44640960000

約数和(自身を除く): 22920527104

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 199, 256, 328, 398, 656, 796, 1312, 1592, 2624, 3184, 5248, 6368, 8159, 10399, 10496, 12736, 16318, 20798, 25472, 32636, 41596, 50944, 65272, 83192, 130544, 166384, 261088, 332768, 426359, 522176, 665536, 852718, 1044352, 1331072, 1705436, 2069401, 2088704, 2662144, 3410872, 4138802, 6821744, 8277604, 13643488, 16555208, 27286976, 33110416, 54573952, 66220832, 84845441, 109147904, 132441664, 169690882, 264883328, 339381764, 529766656, 678763528, 1357527056, 2715054112, 5430108224, 10860216448, 21720432896]

約数ペア:

[(1, 21720432896), (2, 10860216448), (4, 5430108224), (8, 2715054112), (16, 1357527056), (32, 678763528), (41, 529766656), (64, 339381764), (82, 264883328), (128, 169690882), (164, 132441664), (199, 109147904), (256, 84845441), (328, 66220832), (398, 54573952), (656, 33110416), (796, 27286976), (1312, 16555208), (1592, 13643488), (2624, 8277604), (3184, 6821744), (5248, 4138802), (6368, 3410872), (8159, 2662144), (10399, 2088704), (10496, 2069401), (12736, 1705436), (16318, 1331072), (20798, 1044352), (25472, 852718), (32636, 665536), (41596, 522176), (50944, 426359), (65272, 332768), (83192, 261088), (130544, 166384)]