21609984

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1311

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 41243136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 704, 768, 1056, 1279, 1408, 1536, 2112, 2558, 2816, 3837, 4224, 5116, 5632, 7674, 8448, 10232, 14069, 15348, 16896, 20464, 28138, 30696, 40928, 42207, 56276, 61392, 81856, 84414, 112552, 122784, 163712, 168828, 225104, 245568, 327424, 337656, 450208, 491136, 654848, 675312, 900416, 982272, 1350624, 1800832, 1964544, 2701248, 3601664, 5402496, 7203328, 10804992, 21609984]

約数ペア:

[(1, 21609984), (2, 10804992), (3, 7203328), (4, 5402496), (6, 3601664), (8, 2701248), (11, 1964544), (12, 1800832), (16, 1350624), (22, 982272), (24, 900416), (32, 675312), (33, 654848), (44, 491136), (48, 450208), (64, 337656), (66, 327424), (88, 245568), (96, 225104), (128, 168828), (132, 163712), (176, 122784), (192, 112552), (256, 84414), (264, 81856), (352, 61392), (384, 56276), (512, 42207), (528, 40928), (704, 30696), (768, 28138), (1056, 20464), (1279, 16896), (1408, 15348), (1536, 14069), (2112, 10232), (2558, 8448), (2816, 7674), (3837, 5632), (4224, 5116)]