21671552

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 52852320

約数和(自身を除く): 31180768

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 67, 76, 112, 128, 133, 134, 152, 224, 266, 268, 304, 361, 448, 469, 532, 536, 608, 722, 896, 938, 1064, 1072, 1216, 1273, 1444, 1876, 2128, 2144, 2432, 2527, 2546, 2888, 3752, 4256, 4288, 5054, 5092, 5776, 7504, 8512, 8576, 8911, 10108, 10184, 11552, 15008, 17024, 17822, 20216, 20368, 23104, 24187, 30016, 35644, 40432, 40736, 46208, 48374, 60032, 71288, 80864, 81472, 96748, 142576, 161728, 162944, 169309, 193496, 285152, 323456, 338618, 386992, 570304, 677236, 773984, 1140608, 1354472, 1547968, 2708944, 3095936, 5417888, 10835776, 21671552]

約数ペア:

[(1, 21671552), (2, 10835776), (4, 5417888), (7, 3095936), (8, 2708944), (14, 1547968), (16, 1354472), (19, 1140608), (28, 773984), (32, 677236), (38, 570304), (56, 386992), (64, 338618), (67, 323456), (76, 285152), (112, 193496), (128, 169309), (133, 162944), (134, 161728), (152, 142576), (224, 96748), (266, 81472), (268, 80864), (304, 71288), (361, 60032), (448, 48374), (469, 46208), (532, 40736), (536, 40432), (608, 35644), (722, 30016), (896, 24187), (938, 23104), (1064, 20368), (1072, 20216), (1216, 17822), (1273, 17024), (1444, 15008), (1876, 11552), (2128, 10184), (2144, 10108), (2432, 8911), (2527, 8576), (2546, 8512), (2888, 7504), (3752, 5776), (4256, 5092), (4288, 5054)]