21818384

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10253}}^1$

素因数の和:10287

約数の個数: 40

約数和(自身を含む): 50859840

約数和(自身を除く): 29041456

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10253, 20506, 41012, 71771, 82024, 143542, 164048, 194807, 287084, 389614, 574168, 779228, 1148336, 1363649, 1558456, 2727298, 3116912, 5454596, 10909192, 21818384]

約数ペア:

[(1, 21818384), (2, 10909192), (4, 5454596), (7, 3116912), (8, 2727298), (14, 1558456), (16, 1363649), (19, 1148336), (28, 779228), (38, 574168), (56, 389614), (76, 287084), (112, 194807), (133, 164048), (152, 143542), (266, 82024), (304, 71771), (532, 41012), (1064, 20506), (2128, 10253)]