21587456

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3833}}^1$

素因数の和:3862

約数の個数: 40

約数和(自身を含む): 47066184

約数和(自身を除く): 25478728

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3833, 5632, 7666, 15332, 30664, 42163, 61328, 84326, 122656, 168652, 245312, 337304, 490624, 674608, 981248, 1349216, 1962496, 2698432, 5396864, 10793728, 21587456]

約数ペア:

[(1, 21587456), (2, 10793728), (4, 5396864), (8, 2698432), (11, 1962496), (16, 1349216), (22, 981248), (32, 674608), (44, 490624), (64, 337304), (88, 245312), (128, 168652), (176, 122656), (256, 84326), (352, 61328), (512, 42163), (704, 30664), (1408, 15332), (2816, 7666), (3833, 5632)]