21649368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69389}}^1$

素因数の和:69411

約数の個数: 32

約数和(自身を含む): 58287600

約数和(自身を除く): 36638232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69389, 138778, 208167, 277556, 416334, 555112, 832668, 902057, 1665336, 1804114, 2706171, 3608228, 5412342, 7216456, 10824684, 21649368]

約数ペア:

[(1, 21649368), (2, 10824684), (3, 7216456), (4, 5412342), (6, 3608228), (8, 2706171), (12, 1804114), (13, 1665336), (24, 902057), (26, 832668), (39, 555112), (52, 416334), (78, 277556), (104, 208167), (156, 138778), (312, 69389)]