21397568

素因数分解:

$2^6\times {\mathrm{367}}^1\times {\mathrm{911}}^1$

素因数の和:1290

約数の個数: 28

約数和(自身を含む): 42623232

約数和(自身を除く): 21225664

約数列:

[1, 2, 4, 8, 16, 32, 64, 367, 734, 911, 1468, 1822, 2936, 3644, 5872, 7288, 11744, 14576, 23488, 29152, 58304, 334337, 668674, 1337348, 2674696, 5349392, 10698784, 21397568]

約数ペア:

[(1, 21397568), (2, 10698784), (4, 5349392), (8, 2674696), (16, 1337348), (32, 668674), (64, 334337), (367, 58304), (734, 29152), (911, 23488), (1468, 14576), (1822, 11744), (2936, 7288), (3644, 5872)]