21857704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 45036000

約数和(自身を除く): 23178296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1639, 1667, 3278, 3334, 6556, 6668, 13112, 13336, 18337, 36674, 73348, 146696, 248383, 496766, 993532, 1987064, 2732213, 5464426, 10928852, 21857704]

約数ペア:

[(1, 21857704), (2, 10928852), (4, 5464426), (8, 2732213), (11, 1987064), (22, 993532), (44, 496766), (88, 248383), (149, 146696), (298, 73348), (596, 36674), (1192, 18337), (1639, 13336), (1667, 13112), (3278, 6668), (3334, 6556)]