21218176

素因数分解:

$2^7\times 7^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 52326000

約数和(自身を除く): 31107824

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 196, 199, 224, 238, 272, 392, 398, 448, 476, 544, 784, 796, 833, 896, 952, 1088, 1393, 1568, 1592, 1666, 1904, 2176, 2786, 3136, 3184, 3332, 3383, 3808, 5572, 6272, 6368, 6664, 6766, 7616, 9751, 11144, 12736, 13328, 13532, 15232, 19502, 22288, 23681, 25472, 26656, 27064, 39004, 44576, 47362, 53312, 54128, 78008, 89152, 94724, 106624, 108256, 156016, 165767, 178304, 189448, 216512, 312032, 331534, 378896, 433024, 624064, 663068, 757792, 1248128, 1326136, 1515584, 2652272, 3031168, 5304544, 10609088, 21218176]

約数ペア:

[(1, 21218176), (2, 10609088), (4, 5304544), (7, 3031168), (8, 2652272), (14, 1515584), (16, 1326136), (17, 1248128), (28, 757792), (32, 663068), (34, 624064), (49, 433024), (56, 378896), (64, 331534), (68, 312032), (98, 216512), (112, 189448), (119, 178304), (128, 165767), (136, 156016), (196, 108256), (199, 106624), (224, 94724), (238, 89152), (272, 78008), (392, 54128), (398, 53312), (448, 47362), (476, 44576), (544, 39004), (784, 27064), (796, 26656), (833, 25472), (896, 23681), (952, 22288), (1088, 19502), (1393, 15232), (1568, 13532), (1592, 13328), (1666, 12736), (1904, 11144), (2176, 9751), (2786, 7616), (3136, 6766), (3184, 6664), (3332, 6368), (3383, 6272), (3808, 5572)]