21732928

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:507

約数の個数: 56

約数和(自身を含む): 49784000

約数和(自身を除く): 28051072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 349, 448, 556, 698, 973, 1112, 1396, 1946, 2224, 2443, 2792, 3892, 4448, 4886, 5584, 7784, 8896, 9772, 11168, 15568, 19544, 22336, 31136, 39088, 48511, 62272, 78176, 97022, 156352, 194044, 339577, 388088, 679154, 776176, 1358308, 1552352, 2716616, 3104704, 5433232, 10866464, 21732928]

約数ペア:

[(1, 21732928), (2, 10866464), (4, 5433232), (7, 3104704), (8, 2716616), (14, 1552352), (16, 1358308), (28, 776176), (32, 679154), (56, 388088), (64, 339577), (112, 194044), (139, 156352), (224, 97022), (278, 78176), (349, 62272), (448, 48511), (556, 39088), (698, 31136), (973, 22336), (1112, 19544), (1396, 15568), (1946, 11168), (2224, 9772), (2443, 8896), (2792, 7784), (3892, 5584), (4448, 4886)]