21622456

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7487}}^1$

素因数の和:7531

約数の個数: 24

約数和(自身を含む): 42793920

約数和(自身を除く): 21171464

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7487, 14974, 29948, 59896, 142253, 284506, 569012, 1138024, 2702807, 5405614, 10811228, 21622456]

約数ペア:

[(1, 21622456), (2, 10811228), (4, 5405614), (8, 2702807), (19, 1138024), (38, 569012), (76, 284506), (152, 142253), (361, 59896), (722, 29948), (1444, 14974), (2888, 7487)]