21315511168

素因数分解:

$2^7\times 7^2\times {\mathrm{53}}^1\times {\mathrm{64123}}^1$

素因数の和:64204

約数の個数: 96

約数和(自身を含む): 50330286360

約数和(自身を除く): 29014775192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 128, 196, 212, 224, 371, 392, 424, 448, 742, 784, 848, 896, 1484, 1568, 1696, 2597, 2968, 3136, 3392, 5194, 5936, 6272, 6784, 10388, 11872, 20776, 23744, 41552, 47488, 64123, 83104, 128246, 166208, 256492, 332416, 448861, 512984, 897722, 1025968, 1795444, 2051936, 3142027, 3398519, 3590888, 4103872, 6284054, 6797038, 7181776, 8207744, 12568108, 13594076, 14363552, 23789633, 25136216, 27188152, 28727104, 47579266, 50272432, 54376304, 57454208, 95158532, 100544864, 108752608, 166527431, 190317064, 201089728, 217505216, 333054862, 380634128, 402179456, 435010432, 666109724, 761268256, 1332219448, 1522536512, 2664438896, 3045073024, 5328877792, 10657755584, 21315511168]

約数ペア:

[(1, 21315511168), (2, 10657755584), (4, 5328877792), (7, 3045073024), (8, 2664438896), (14, 1522536512), (16, 1332219448), (28, 761268256), (32, 666109724), (49, 435010432), (53, 402179456), (56, 380634128), (64, 333054862), (98, 217505216), (106, 201089728), (112, 190317064), (128, 166527431), (196, 108752608), (212, 100544864), (224, 95158532), (371, 57454208), (392, 54376304), (424, 50272432), (448, 47579266), (742, 28727104), (784, 27188152), (848, 25136216), (896, 23789633), (1484, 14363552), (1568, 13594076), (1696, 12568108), (2597, 8207744), (2968, 7181776), (3136, 6797038), (3392, 6284054), (5194, 4103872), (5936, 3590888), (6272, 3398519), (6784, 3142027), (10388, 2051936), (11872, 1795444), (20776, 1025968), (23744, 897722), (41552, 512984), (47488, 448861), (64123, 332416), (83104, 256492), (128246, 166208)]