21059584

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 52284960

約数和(自身を除く): 31225376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 113, 128, 182, 208, 224, 226, 256, 364, 416, 448, 452, 512, 728, 791, 832, 896, 904, 1024, 1456, 1469, 1582, 1664, 1792, 1808, 2048, 2912, 2938, 3164, 3328, 3584, 3616, 5824, 5876, 6328, 6656, 7168, 7232, 10283, 11648, 11752, 12656, 13312, 14336, 14464, 20566, 23296, 23504, 25312, 26624, 28928, 41132, 46592, 47008, 50624, 57856, 82264, 93184, 94016, 101248, 115712, 164528, 186368, 188032, 202496, 231424, 329056, 376064, 404992, 658112, 752128, 809984, 1316224, 1504256, 1619968, 2632448, 3008512, 5264896, 10529792, 21059584]

約数ペア:

[(1, 21059584), (2, 10529792), (4, 5264896), (7, 3008512), (8, 2632448), (13, 1619968), (14, 1504256), (16, 1316224), (26, 809984), (28, 752128), (32, 658112), (52, 404992), (56, 376064), (64, 329056), (91, 231424), (104, 202496), (112, 188032), (113, 186368), (128, 164528), (182, 115712), (208, 101248), (224, 94016), (226, 93184), (256, 82264), (364, 57856), (416, 50624), (448, 47008), (452, 46592), (512, 41132), (728, 28928), (791, 26624), (832, 25312), (896, 23504), (904, 23296), (1024, 20566), (1456, 14464), (1469, 14336), (1582, 13312), (1664, 12656), (1792, 11752), (1808, 11648), (2048, 10283), (2912, 7232), (2938, 7168), (3164, 6656), (3328, 6328), (3584, 5876), (3616, 5824)]