21867328

素因数分解:

$2^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 84

約数和(自身を含む): 53279040

約数和(自身を除く): 31411712

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 133, 152, 196, 224, 266, 304, 367, 392, 448, 532, 608, 734, 784, 931, 1064, 1216, 1468, 1568, 1862, 2128, 2569, 2936, 3136, 3724, 4256, 5138, 5872, 6973, 7448, 8512, 10276, 11744, 13946, 14896, 17983, 20552, 23488, 27892, 29792, 35966, 41104, 48811, 55784, 59584, 71932, 82208, 97622, 111568, 143864, 164416, 195244, 223136, 287728, 341677, 390488, 446272, 575456, 683354, 780976, 1150912, 1366708, 1561952, 2733416, 3123904, 5466832, 10933664, 21867328]

約数ペア:

[(1, 21867328), (2, 10933664), (4, 5466832), (7, 3123904), (8, 2733416), (14, 1561952), (16, 1366708), (19, 1150912), (28, 780976), (32, 683354), (38, 575456), (49, 446272), (56, 390488), (64, 341677), (76, 287728), (98, 223136), (112, 195244), (133, 164416), (152, 143864), (196, 111568), (224, 97622), (266, 82208), (304, 71932), (367, 59584), (392, 55784), (448, 48811), (532, 41104), (608, 35966), (734, 29792), (784, 27892), (931, 23488), (1064, 20552), (1216, 17983), (1468, 14896), (1568, 13946), (1862, 11744), (2128, 10276), (2569, 8512), (2936, 7448), (3136, 6973), (3724, 5872), (4256, 5138)]