21310848

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1456

約数の個数: 96

約数和(自身を含む): 66087840

約数和(自身を除く): 44776992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 288, 312, 384, 416, 468, 576, 624, 832, 936, 1152, 1248, 1423, 1664, 1872, 2496, 2846, 3744, 4269, 4992, 5692, 7488, 8538, 11384, 12807, 14976, 17076, 18499, 22768, 25614, 34152, 36998, 45536, 51228, 55497, 68304, 73996, 91072, 102456, 110994, 136608, 147992, 166491, 182144, 204912, 221988, 273216, 295984, 332982, 409824, 443976, 546432, 591968, 665964, 819648, 887952, 1183936, 1331928, 1639296, 1775904, 2367872, 2663856, 3551808, 5327712, 7103616, 10655424, 21310848]

約数ペア:

[(1, 21310848), (2, 10655424), (3, 7103616), (4, 5327712), (6, 3551808), (8, 2663856), (9, 2367872), (12, 1775904), (13, 1639296), (16, 1331928), (18, 1183936), (24, 887952), (26, 819648), (32, 665964), (36, 591968), (39, 546432), (48, 443976), (52, 409824), (64, 332982), (72, 295984), (78, 273216), (96, 221988), (104, 204912), (117, 182144), (128, 166491), (144, 147992), (156, 136608), (192, 110994), (208, 102456), (234, 91072), (288, 73996), (312, 68304), (384, 55497), (416, 51228), (468, 45536), (576, 36998), (624, 34152), (832, 25614), (936, 22768), (1152, 18499), (1248, 17076), (1423, 14976), (1664, 12807), (1872, 11384), (2496, 8538), (2846, 7488), (3744, 5692), (4269, 4992)]