21148176

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 63103104

約数和(自身を除く): 41954928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 113, 168, 226, 336, 339, 452, 557, 678, 791, 904, 1114, 1356, 1582, 1671, 1808, 2228, 2373, 2712, 3164, 3342, 3899, 4456, 4746, 5424, 6328, 6684, 7798, 8912, 9492, 11697, 12656, 13368, 15596, 18984, 23394, 26736, 31192, 37968, 46788, 62384, 62941, 93576, 125882, 187152, 188823, 251764, 377646, 440587, 503528, 755292, 881174, 1007056, 1321761, 1510584, 1762348, 2643522, 3021168, 3524696, 5287044, 7049392, 10574088, 21148176]

約数ペア:

[(1, 21148176), (2, 10574088), (3, 7049392), (4, 5287044), (6, 3524696), (7, 3021168), (8, 2643522), (12, 1762348), (14, 1510584), (16, 1321761), (21, 1007056), (24, 881174), (28, 755292), (42, 503528), (48, 440587), (56, 377646), (84, 251764), (112, 188823), (113, 187152), (168, 125882), (226, 93576), (336, 62941), (339, 62384), (452, 46788), (557, 37968), (678, 31192), (791, 26736), (904, 23394), (1114, 18984), (1356, 15596), (1582, 13368), (1671, 12656), (1808, 11697), (2228, 9492), (2373, 8912), (2712, 7798), (3164, 6684), (3342, 6328), (3899, 5424), (4456, 4746)]