21976992

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:710

約数の個数: 72

約数和(自身を含む): 63066276

約数和(自身を除く): 41089284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 548, 557, 822, 1096, 1114, 1233, 1644, 1671, 2192, 2228, 2466, 3288, 3342, 4384, 4456, 4932, 5013, 6576, 6684, 8912, 9864, 10026, 13152, 13368, 17824, 19728, 20052, 26736, 39456, 40104, 53472, 76309, 80208, 152618, 160416, 228927, 305236, 457854, 610472, 686781, 915708, 1220944, 1373562, 1831416, 2441888, 2747124, 3662832, 5494248, 7325664, 10988496, 21976992]

約数ペア:

[(1, 21976992), (2, 10988496), (3, 7325664), (4, 5494248), (6, 3662832), (8, 2747124), (9, 2441888), (12, 1831416), (16, 1373562), (18, 1220944), (24, 915708), (32, 686781), (36, 610472), (48, 457854), (72, 305236), (96, 228927), (137, 160416), (144, 152618), (274, 80208), (288, 76309), (411, 53472), (548, 40104), (557, 39456), (822, 26736), (1096, 20052), (1114, 19728), (1233, 17824), (1644, 13368), (1671, 13152), (2192, 10026), (2228, 9864), (2466, 8912), (3288, 6684), (3342, 6576), (4384, 5013), (4456, 4932)]