21853304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2411}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 23299336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2411, 4532, 4822, 9064, 9644, 19288, 26521, 53042, 106084, 212168, 248333, 496666, 993332, 1986664, 2731663, 5463326, 10926652, 21853304]

約数ペア:

[(1, 21853304), (2, 10926652), (4, 5463326), (8, 2731663), (11, 1986664), (22, 993332), (44, 496666), (88, 248333), (103, 212168), (206, 106084), (412, 53042), (824, 26521), (1133, 19288), (2266, 9644), (2411, 9064), (4532, 4822)]